5165531136 has 120 divisors (see below), whose sum is σ = 15306121040. Its totient is φ = 1721696256.

The previous prime is 5165531123. The next prime is 5165531171. The reversal of 5165531136 is 6311355615.

5165531136 is a `hidden beast` number, since 51 + 65 + 531 + 13 + 6 = 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 5165531136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436530 + ... + 448206.

Almost surely, 2^5165531136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5165531136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7653060520).

5165531136 is an abundant number, since it is smaller than the sum of its proper divisors (10140589904).

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

5165531136 is an equidigital number, since it uses as much as digits as its factorization.

5165531136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11714 (or 11682 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 5165531136 is about 71871.6295627141. The cubic root of 5165531136 is about 1728.6417369537.

The spelling of 5165531136 in words is "five billion, one hundred sixty-five million, five hundred thirty-one thousand, one hundred thirty-six".