90499523168 has 48 divisors (see below), whose sum is σ = 179832740976. Its totient is φ = 44828098560.

The previous prime is 90499523159. The next prime is 90499523173. The reversal of 90499523168 is 86132599409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9950303 + ... + 9959393.

It is an arithmetic number, because the mean of its divisors is an integer number (3746515437).

Almost surely, 2^90499523168 is an apocalyptic number.

It is an amenable number.

90499523168 is a deficient number, since it is larger than the sum of its proper divisors (89333217808).

90499523168 is a wasteful number, since it uses less digits than its factorization.

90499523168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967 (or 11959 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 90499523168 in words is "ninety billion, four hundred ninety-nine million, five hundred twenty-three thousand, one hundred sixty-eight".