5031660636 has 72 divisors (see below), whose sum is σ = 13750252880. Its totient is φ = 1545993216.

The previous prime is 5031660607. The next prime is 5031660679. The reversal of 5031660636 is 6360661305.

It is a happy number.

5031660636 is a `hidden beast` number, since 5 + 0 + 3 + 16 + 6 + 0 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5031660636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74101 + ... + 124716.

Almost surely, 2^5031660636 is an apocalyptic number.

It is an amenable number.

5031660636 is an abundant number, since it is smaller than the sum of its proper divisors (8718592244).

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

5031660636 is a wasteful number, since it uses less digits than its factorization.

5031660636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198883 (or 198878 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 5031660636 is about 70934.1993399517. The cubic root of 5031660636 is about 1713.5776169964.

The spelling of 5031660636 in words is "five billion, thirty-one million, six hundred sixty thousand, six hundred thirty-six".