90169368 has 32 divisors (see below), whose sum is σ = 225765360. Its totient is φ = 30010880.

The previous prime is 90169351. The next prime is 90169379. The reversal of 90169368 is 86396109.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15796 + ... + 20732.

Almost surely, 2^90169368 is an apocalyptic number.

It is an amenable number.

90169368 is an abundant number, since it is smaller than the sum of its proper divisors (135595992).

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

90169368 is a wasteful number, since it uses less digits than its factorization.

90169368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 90169368 is about 9495.7552622211. The cubic root of 90169368 is about 448.4214120409.

The spelling of 90169368 in words is "ninety million, one hundred sixty-nine thousand, three hundred sixty-eight".