90918183004 has 48 divisors (see below), whose sum is σ = 186107604480. Its totient is φ = 38403106560.

The previous prime is 90918182977. The next prime is 90918183029. The reversal of 90918183004 is 40038181909.

It is a super-2 number, since 2×90918183004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 710202 + ... + 828385.

It is an arithmetic number, because the mean of its divisors is an integer number (3877241760).

Almost surely, 2^90918183004 is an apocalyptic number.

It is an amenable number.

90918183004 is an abundant number, since it is smaller than the sum of its proper divisors (95189421476).

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

90918183004 is a wasteful number, since it uses less digits than its factorization.

90918183004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538698 (or 1538696 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 90918183004 in words is "ninety billion, nine hundred eighteen million, one hundred eighty-three thousand, four".