5131365168 has 80 divisors (see below), whose sum is σ = 13629815136. Its totient is φ = 1662535680.

The previous prime is 5131365167. The next prime is 5131365227. The reversal of 5131365168 is 8615631315.

It is not an unprimeable number, because it can be changed into a prime (5131365167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540430 + ... + 549842.

Almost surely, 2^5131365168 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 5131365168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6814907568).

5131365168 is an abundant number, since it is smaller than the sum of its proper divisors (8498449968).

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

5131365168 is a wasteful number, since it uses less digits than its factorization.

5131365168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742 (or 9736 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 5131365168 is about 71633.5477831442. The cubic root of 5131365168 is about 1724.8220966709.

The spelling of 5131365168 in words is "five billion, one hundred thirty-one million, three hundred sixty-five thousand, one hundred sixty-eight".