6172180256 has 48 divisors (see below), whose sum is σ = 13424019840. Its totient is φ = 2770010880.

The previous prime is 6172180253. The next prime is 6172180279. The reversal of 6172180256 is 6520812716.

It is a super-2 number, since 2×6172180256² = 76191618225112451072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6172180253) 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, 83171 + ... + 138786.

It is an arithmetic number, because the mean of its divisors is an integer number (279667080).

Almost surely, 2^6172180256 is an apocalyptic number.

It is an amenable number.

6172180256 is an abundant number, since it is smaller than the sum of its proper divisors (7251839584).

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

6172180256 is a wasteful number, since it uses less digits than its factorization.

6172180256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222057 (or 222049 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 6172180256 is about 78563.2245774064. The cubic root of 6172180256 is about 1834.3387209555.

The spelling of 6172180256 in words is "six billion, one hundred seventy-two million, one hundred eighty thousand, two hundred fifty-six".