56613161736 has 32 divisors (see below), whose sum is σ = 157258783200. Its totient is φ = 18871053840.

The previous prime is 56613161723. The next prime is 56613161777. The reversal of 56613161736 is 63716131665.

It is a happy number.

56613161736 is a `hidden beast` number, since 5 + 6 + 613 + 16 + 17 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56613161691 and 56613161700.

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, 131048770 + ... + 131049201.

It is an arithmetic number, because the mean of its divisors is an integer number (4914336975).

Almost surely, 2^56613161736 is an apocalyptic number.

It is an amenable number.

56613161736 is an abundant number, since it is smaller than the sum of its proper divisors (100645621464).

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

56613161736 is a wasteful number, since it uses less digits than its factorization.

56613161736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262097986 (or 262097976 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The spelling of 56613161736 in words is "fifty-six billion, six hundred thirteen million, one hundred sixty-one thousand, seven hundred thirty-six".