90158326516 has 12 divisors (see below), whose sum is σ = 158284395360. Its totient is φ = 44934213560.

The previous prime is 90158326477. The next prime is 90158326523. The reversal of 90158326516 is 61562385109.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36236026 + ... + 36238513.

It is an arithmetic number, because the mean of its divisors is an integer number (13190366280).

Almost surely, 2^90158326516 is an apocalyptic number.

It is an amenable number.

90158326516 is a deficient number, since it is larger than the sum of its proper divisors (68126068844).

90158326516 is a wasteful number, since it uses less digits than its factorization.

90158326516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72474854 (or 72474852 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 90158326516 in words is "ninety billion, one hundred fifty-eight million, three hundred twenty-six thousand, five hundred sixteen".