91522535468 has 48 divisors (see below), whose sum is σ = 197155393344. Its totient is φ = 36201219840.

The previous prime is 91522535441. The next prime is 91522535509. The reversal of 91522535468 is 86453522519.

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, 3064946 + ... + 3094662.

It is an arithmetic number, because the mean of its divisors is an integer number (4107404028).

Almost surely, 2^91522535468 is an apocalyptic number.

It is an amenable number.

91522535468 is an abundant number, since it is smaller than the sum of its proper divisors (105632857876).

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

91522535468 is a wasteful number, since it uses less digits than its factorization.

91522535468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38202 (or 38200 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 50.

The spelling of 91522535468 in words is "ninety-one billion, five hundred twenty-two million, five hundred thirty-five thousand, four hundred sixty-eight".