90557184090 has 16 divisors (see below), whose sum is σ = 217337241888. Its totient is φ = 24148582416.

The previous prime is 90557184041. The next prime is 90557184103. The reversal of 90557184090 is 9048175509.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509286372 + ... + 1509286431.

It is an arithmetic number, because the mean of its divisors is an integer number (13583577618).

Almost surely, 2^90557184090 is an apocalyptic number.

90557184090 is an abundant number, since it is smaller than the sum of its proper divisors (126780057798).

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

90557184090 is a wasteful number, since it uses less digits than its factorization.

90557184090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018572813.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 90557184090 in words is "ninety billion, five hundred fifty-seven million, one hundred eighty-four thousand, ninety".