91656366 has 8 divisors (see below), whose sum is σ = 183312744. Its totient is φ = 30552120.

The previous prime is 91656359. The next prime is 91656379. The reversal of 91656366 is 66365619.

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

91656366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638025 + ... + 7638036.

It is an arithmetic number, because the mean of its divisors is an integer number (22914093).

Almost surely, 2^91656366 is an apocalyptic number.

91656366 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.

91656366 is a wasteful number, since it uses less digits than its factorization.

91656366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276066.

The product of its digits is 174960, while the sum is 42.

The square root of 91656366 is about 9573.7331276780. The cubic root of 91656366 is about 450.8729818983.

The spelling of 91656366 in words is "ninety-one million, six hundred fifty-six thousand, three hundred sixty-six".