90804905160 has 64 divisors (see below), whose sum is σ = 272450062080. Its totient is φ = 24211499520.

The previous prime is 90804905129. The next prime is 90804905189. The reversal of 90804905160 is 6150940809.

It is a super-2 number, since 2×90804905160² (a number of 23 digits) contains 22 as substring.

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, 966844 + ... + 1056596.

It is an arithmetic number, because the mean of its divisors is an integer number (4257032220).

Almost surely, 2^90804905160 is an apocalyptic number.

It is an amenable number.

90804905160 is an abundant number, since it is smaller than the sum of its proper divisors (181645156920).

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

90804905160 is a wasteful number, since it uses less digits than its factorization.

90804905160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98198 (or 98194 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 90804905160 in words is "ninety billion, eight hundred four million, nine hundred five thousand, one hundred sixty".