90183693636 has 27 divisors (see below), whose sum is σ = 227968891423. Its totient is φ = 30060630600.

The previous prime is 90183693571. The next prime is 90183693647. The reversal of 90183693636 is 63639638109.

It is a happy number.

The square root of 90183693636 is 300306.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1776811 + ... + 1826861.

Almost surely, 2^90183693636 is an apocalyptic number.

90183693636 is the 300306-th square number.

It is an amenable number.

90183693636 is an abundant number, since it is smaller than the sum of its proper divisors (137785197787).

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

90183693636 is an frugal number, since it uses more digits than its factorization.

90183693636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100112 (or 50056 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 90183693636 in words is "ninety billion, one hundred eighty-three million, six hundred ninety-three thousand, six hundred thirty-six".