91755084168 has 48 divisors (see below), whose sum is σ = 271094569200. Its totient is φ = 27804570720.

The previous prime is 91755084149. The next prime is 91755084173. The reversal of 91755084168 is 86148055719.

It is a happy number.

91755084168 is a `hidden beast` number, since 9 + 1 + 7 + 550 + 84 + 1 + 6 + 8 = 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, 57925398 + ... + 57926981.

It is an arithmetic number, because the mean of its divisors is an integer number (5647803525).

Almost surely, 2^91755084168 is an apocalyptic number.

It is an amenable number.

91755084168 is an abundant number, since it is smaller than the sum of its proper divisors (179339485032).

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

91755084168 is a wasteful number, since it uses less digits than its factorization.

91755084168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115852402 (or 115852395 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 91755084168 in words is "ninety-one billion, seven hundred fifty-five million, eighty-four thousand, one hundred sixty-eight".