6856574168 has 16 divisors (see below), whose sum is σ = 13299390000. Its totient is φ = 3310070176.

The previous prime is 6856574167. The next prime is 6856574177. The reversal of 6856574168 is 8614756586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856574167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14776868 + ... + 14777331.

It is an arithmetic number, because the mean of its divisors is an integer number (831211875).

Almost surely, 2^6856574168 is an apocalyptic number.

It is an amenable number.

6856574168 is a deficient number, since it is larger than the sum of its proper divisors (6442815832).

6856574168 is a wasteful number, since it uses less digits than its factorization.

6856574168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29554234 (or 29554230 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The square root of 6856574168 is about 82804.4332629600. The cubic root of 6856574168 is about 1899.7759817139.

The spelling of 6856574168 in words is "six billion, eight hundred fifty-six million, five hundred seventy-four thousand, one hundred sixty-eight".