5172172516 has 48 divisors (see below), whose sum is σ = 10458201600. Its totient is φ = 2192323968.

The previous prime is 5172172507. The next prime is 5172172543. The reversal of 5172172516 is 6152712715.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2193210 + ... + 2195566.

It is an arithmetic number, because the mean of its divisors is an integer number (217879200).

Almost surely, 2^5172172516 is an apocalyptic number.

It is an amenable number.

5172172516 is an abundant number, since it is smaller than the sum of its proper divisors (5286029084).

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

5172172516 is a wasteful number, since it uses less digits than its factorization.

5172172516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3194 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 5172172516 is about 71917.8177922551. The cubic root of 5172172516 is about 1729.3822642192.

The spelling of 5172172516 in words is "five billion, one hundred seventy-two million, one hundred seventy-two thousand, five hundred sixteen".