6516172 has 12 divisors (see below), whose sum is σ = 12280576. Its totient is φ = 3007440.

The previous prime is 6516163. The next prime is 6516187. The reversal of 6516172 is 2716156.

6516172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6516172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62604 + ... + 62707.

Almost surely, 2^6516172 is an apocalyptic number.

It is an amenable number.

6516172 is a deficient number, since it is larger than the sum of its proper divisors (5764404).

6516172 is a wasteful number, since it uses less digits than its factorization.

6516172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125328 (or 125326 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 6516172 is about 2552.6793766550. The cubic root of 6516172 is about 186.7802044541.

The spelling of 6516172 in words is "six million, five hundred sixteen thousand, one hundred seventy-two".