91634110992 has 60 divisors (see below), whose sum is σ = 261904606080. Its totient is φ = 29894814144.

The previous prime is 91634110979. The next prime is 91634111053. The reversal of 91634110992 is 29901143619.

91634110992 is a `hidden beast` number, since 9 + 1 + 634 + 1 + 1 + 0 + 9 + 9 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6762892 + ... + 6776427.

It is an arithmetic number, because the mean of its divisors is an integer number (4365076768).

Almost surely, 2^91634110992 is an apocalyptic number.

It is an amenable number.

91634110992 is an abundant number, since it is smaller than the sum of its proper divisors (170270495088).

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

91634110992 is a wasteful number, since it uses less digits than its factorization.

91634110992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539380 (or 13539371 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 91634110992 in words is "ninety-one billion, six hundred thirty-four million, one hundred ten thousand, nine hundred ninety-two".