366 has 8 divisors (see below), whose sum is σ = 744. Its totient is φ = 120.

The previous prime is 359. The next prime is 367. The reversal of 366 is 663.

366 = 8^{2} + 9^{2} + ... + 11^{2}.

366 is nontrivially palindromic in base 11 and base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

366 is an admirable number.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 36 and 6 contains 366 itself.

It is a nude number because it is divisible by every one of its digits.

366 is an undulating number in base 11.

It is a Curzon number.

366 is a nontrivial repdigit in base 13.

It is a plaindrome in base 8, base 9, base 10, base 12, base 13 and base 16.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 36.

It is an arithmetic number, because the mean of its divisors is an integer number (93).

2^{366} is an apocalyptic number.

366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372).

366 is a wasteful number, since it uses less digits than its factorization.

366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66.

The product of its digits is 108, while the sum is 15.

The square root of 366 is about 19.1311264697. The cubic root of 366 is about 7.1530900950.

Subtracting from 366 its sum of digits (15), we obtain a triangular number (351 = T_{26}).

Adding to 366 its product of digits (108), we get a palindrome (474).

It can be divided in two parts, 36 and 6, that multiplied together give a cube (216 = 6^{3}).

The spelling of 366 in words is "three hundred sixty-six", and thus it is an aban number and an oban number.

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