2518616172 has 24 divisors (see below), whose sum is σ = 5880406896. Its totient is φ = 839019328.

The previous prime is 2518616171. The next prime is 2518616197. The reversal of 2518616172 is 2716168152.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2518616172.

It is not an unprimeable number, because it can be changed into a prime (2518616171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44463 + ... + 83750.

It is an arithmetic number, because the mean of its divisors is an integer number (245016954).

Almost surely, 2^2518616172 is an apocalyptic number.

It is an amenable number.

2518616172 is an abundant number, since it is smaller than the sum of its proper divisors (3361790724).

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

2518616172 is a wasteful number, since it uses less digits than its factorization.

2518616172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129857 (or 129855 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 2518616172 is about 50185.8164424970. The cubic root of 2518616172 is about 1360.5692851691.

The spelling of 2518616172 in words is "two billion, five hundred eighteen million, six hundred sixteen thousand, one hundred seventy-two".