90169108 has 36 divisors (see below), whose sum is σ = 168961408. Its totient is φ = 42078960.

The previous prime is 90169097. The next prime is 90169133. The reversal of 90169108 is 80196109.

90169108 is a modest number, since divided by 9108 gives 9016 as remainder.

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 11 ways as a sum of consecutive naturals, for example, 90493 + ... + 91483.

Almost surely, 2^90169108 is an apocalyptic number.

It is an amenable number.

90169108 is a deficient number, since it is larger than the sum of its proper divisors (78792300).

90169108 is a wasteful number, since it uses less digits than its factorization.

90169108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 90169108 is about 9495.7415718837. The cubic root of 90169108 is about 448.4209810383.

The spelling of 90169108 in words is "ninety million, one hundred sixty-nine thousand, one hundred eight".