91856116 has 24 divisors (see below), whose sum is σ = 176551200. Its totient is φ = 41469600.

The previous prime is 91856111. The next prime is 91856123. The reversal of 91856116 is 61165819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91856111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (7356300).

Almost surely, 2^91856116 is an apocalyptic number.

It is an amenable number.

91856116 is a deficient number, since it is larger than the sum of its proper divisors (84695084).

91856116 is a wasteful number, since it uses less digits than its factorization.

91856116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175 (or 14173 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 91856116 is about 9584.1596397389. The cubic root of 91856116 is about 451.2002787941.

The spelling of 91856116 in words is "ninety-one million, eight hundred fifty-six thousand, one hundred sixteen".