90338822118 has 12 divisors (see below), whose sum is σ = 195734114628. Its totient is φ = 30112940700.

The previous prime is 90338822071. The next prime is 90338822141. The reversal of 90338822118 is 81122883309.

It is a happy number.

90338822118 is a `hidden beast` number, since 90 + 338 + 8 + 221 + 1 + 8 = 666.

It is a super-2 number, since 2×90338822118² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2509411708 + ... + 2509411743.

It is an arithmetic number, because the mean of its divisors is an integer number (16311176219).

Almost surely, 2^90338822118 is an apocalyptic number.

90338822118 is an abundant number, since it is smaller than the sum of its proper divisors (105395292510).

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

90338822118 is a wasteful number, since it uses less digits than its factorization.

90338822118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018823459 (or 5018823456 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 90338822118 in words is "ninety billion, three hundred thirty-eight million, eight hundred twenty-two thousand, one hundred eighteen".