91162685085500 has 48 divisors (see below), whose sum is σ = 227542061982144. Its totient is φ = 31255777742400.

The previous prime is 91162685085431. The next prime is 91162685085541. The reversal of 91162685085500 is 558058626119.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13023237227 + ... + 13023244226.

It is an arithmetic number, because the mean of its divisors is an integer number (4740459624628).

Almost surely, 2^{91162685085500} is an apocalyptic number.

It is an amenable number.

91162685085500 is an abundant number, since it is smaller than the sum of its proper divisors (136379376896644).

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

91162685085500 is a wasteful number, since it uses less digits than its factorization.

91162685085500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26046481479 (or 26046481467 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 56.

The spelling of 91162685085500 in words is "ninety-one trillion, one hundred sixty-two billion, six hundred eighty-five million, eighty-five thousand, five hundred".