91653327315 has 72 divisors (see below), whose sum is σ = 184893063264. Its totient is φ = 41823936000.

The previous prime is 91653327307. The next prime is 91653327317. The reversal of 91653327315 is 51372335619.

91653327315 is a `hidden beast` number, since 9 + 1 + 6 + 5 + 3 + 327 + 315 = 666.

It is not a de Polignac number, because 91653327315 - 2³ = 91653327307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (91653327317) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 402511 + ... + 587640.

It is an arithmetic number, because the mean of its divisors is an integer number (2567959212).

Almost surely, 2^91653327315 is an apocalyptic number.

91653327315 is an abundant number, since it is smaller than the sum of its proper divisors (93239735949).

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

91653327315 is a wasteful number, since it uses less digits than its factorization.

91653327315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990201 (or 990187 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The spelling of 91653327315 in words is "ninety-one billion, six hundred fifty-three million, three hundred twenty-seven thousand, three hundred fifteen".