90686051164 has 6 divisors (see below), whose sum is σ = 158700589544. Its totient is φ = 45343025580.

The previous prime is 90686051161. The next prime is 90686051179. The reversal of 90686051164 is 46115068609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90686051161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335756392 + ... + 11335756399.

Almost surely, 2^90686051164 is an apocalyptic number.

It is an amenable number.

90686051164 is a deficient number, since it is larger than the sum of its proper divisors (68014538380).

90686051164 is a wasteful number, since it uses less digits than its factorization.

90686051164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22671512795 (or 22671512793 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 90686051164 in words is "ninety billion, six hundred eighty-six million, fifty-one thousand, one hundred sixty-four".