91916684 has 6 divisors (see below), whose sum is σ = 160854204. Its totient is φ = 45958340.

The previous prime is 91916663. The next prime is 91916701. The reversal of 91916684 is 48661919.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489582 + ... + 11489589.

It is an arithmetic number, because the mean of its divisors is an integer number (26809034).

Almost surely, 2^91916684 is an apocalyptic number.

It is an amenable number.

91916684 is a deficient number, since it is larger than the sum of its proper divisors (68937520).

91916684 is a wasteful number, since it uses less digits than its factorization.

91916684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979175 (or 22979173 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 91916684 is about 9587.3189161517. The cubic root of 91916684 is about 451.2994276779.

The spelling of 91916684 in words is "ninety-one million, nine hundred sixteen thousand, six hundred eighty-four".