5161711656 has 32 divisors (see below), whose sum is σ = 13032050400. Its totient is φ = 1703534400.

The previous prime is 5161711631. The next prime is 5161711663. The reversal of 5161711656 is 6561171615.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062286 + ... + 1067133.

It is an arithmetic number, because the mean of its divisors is an integer number (407251575).

Almost surely, 2^5161711656 is an apocalyptic number.

It is an amenable number.

5161711656 is an abundant number, since it is smaller than the sum of its proper divisors (7870338744).

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

5161711656 is a wasteful number, since it uses less digits than its factorization.

5161711656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129529 (or 2129525 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 5161711656 is about 71845.0531073643. The cubic root of 5161711656 is about 1728.2155697070.

The spelling of 5161711656 in words is "five billion, one hundred sixty-one million, seven hundred eleven thousand, six hundred fifty-six".