90166108 has 12 divisors (see below), whose sum is σ = 159239080. Its totient is φ = 44669232.

The previous prime is 90166099. The next prime is 90166123. The reversal of 90166108 is 80166109.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90166108.

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 3 ways as a sum of consecutive naturals, for example, 102966 + ... + 103837.

Almost surely, 2^90166108 is an apocalyptic number.

It is an amenable number.

90166108 is a deficient number, since it is larger than the sum of its proper divisors (69072972).

90166108 is a wasteful number, since it uses less digits than its factorization.

90166108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206916 (or 206914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 90166108 is about 9495.5836050240. The cubic root of 90166108 is about 448.4160078722.

Subtracting from 90166108 its reverse (80166109), we obtain a palindrome (9999999).

The spelling of 90166108 in words is "ninety million, one hundred sixty-six thousand, one hundred eight".