6164643172 has 24 divisors (see below), whose sum is σ = 11288592000. Its totient is φ = 2940079296.

The previous prime is 6164643127. The next prime is 6164643179. The reversal of 6164643172 is 2713464616.

It is not an unprimeable number, because it can be changed into a prime (6164643179) 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, 60297 + ... + 126352.

It is an arithmetic number, because the mean of its divisors is an integer number (470358000).

Almost surely, 2^6164643172 is an apocalyptic number.

It is an amenable number.

6164643172 is a deficient number, since it is larger than the sum of its proper divisors (5123948828).

6164643172 is a wasteful number, since it uses less digits than its factorization.

6164643172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187035 (or 187033 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 6164643172 is about 78515.2416540890. The cubic root of 6164643172 is about 1833.5917565705.

The spelling of 6164643172 in words is "six billion, one hundred sixty-four million, six hundred forty-three thousand, one hundred seventy-two".