6164722136 has 64 divisors (see below), whose sum is σ = 11929161600. Its totient is φ = 2985435648.

The previous prime is 6164722127. The next prime is 6164722169. The reversal of 6164722136 is 6312274616.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6164722136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16797425 + ... + 16797791.

It is an arithmetic number, because the mean of its divisors is an integer number (186393150).

Almost surely, 2^6164722136 is an apocalyptic number.

It is an amenable number.

6164722136 is a deficient number, since it is larger than the sum of its proper divisors (5764439464).

6164722136 is a wasteful number, since it uses less digits than its factorization.

6164722136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 824 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 6164722136 is about 78515.7445102573. The cubic root of 6164722136 is about 1833.5995854703.

The spelling of 6164722136 in words is "six billion, one hundred sixty-four million, seven hundred twenty-two thousand, one hundred thirty-six".