91465323264 has 108 divisors (see below), whose sum is σ = 301390996816. Its totient is φ = 26132944896.

The previous prime is 91465323247. The next prime is 91465323377. The reversal of 91465323264 is 46232356419.

91465323264 is a `hidden beast` number, since 9 + 1 + 4 + 65 + 323 + 264 = 666.

It is a super-2 number, since 2×91465323264² (a number of 23 digits) contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 2819479 + ... + 2851734.

Almost surely, 2^91465323264 is an apocalyptic number.

It is an amenable number.

91465323264 is an abundant number, since it is smaller than the sum of its proper divisors (209925673552).

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

91465323264 is a wasteful number, since it uses less digits than its factorization.

91465323264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671242 (or 5671225 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 91465323264 in words is "ninety-one billion, four hundred sixty-five million, three hundred twenty-three thousand, two hundred sixty-four".