90734165900 has 72 divisors (see below), whose sum is σ = 225066532320. Its totient is φ = 31102525440.

The previous prime is 90734165839. The next prime is 90734165927. The reversal of 90734165900 is 956143709.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4560374 + ... + 4580226.

It is an arithmetic number, because the mean of its divisors is an integer number (3125924060).

Almost surely, 2^90734165900 is an apocalyptic number.

It is an amenable number.

90734165900 is an abundant number, since it is smaller than the sum of its proper divisors (134332366420).

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

90734165900 is a wasteful number, since it uses less digits than its factorization.

90734165900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26403 (or 26396 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 90734165900 in words is "ninety billion, seven hundred thirty-four million, one hundred sixty-five thousand, nine hundred".