5156617320 has 48 divisors (see below), whose sum is σ = 16759007460. Its totient is φ = 1375097856.

The previous prime is 5156617261. The next prime is 5156617387. The reversal of 5156617320 is 237166515.

5156617320 is a `hidden beast` number, since 5 + 1 + 5 + 6 + 617 + 32 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4662977796 + 493639524 = 68286^2 + 22218^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7161609 + ... + 7162328.

Almost surely, 2^5156617320 is an apocalyptic number.

It is an amenable number.

5156617320 is an abundant number, since it is smaller than the sum of its proper divisors (11602390140).

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

5156617320 is a wasteful number, since it uses less digits than its factorization.

5156617320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14323954 (or 14323947 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5156617320 is about 71809.5907243594. The cubic root of 5156617320 is about 1727.6468301515.

It can be divided in two parts, 51566 and 17320, that added together give a palindrome (68886).

The spelling of 5156617320 in words is "five billion, one hundred fifty-six million, six hundred seventeen thousand, three hundred twenty".