56161179585 has 48 divisors (see below), whose sum is σ = 111718264320. Its totient is φ = 25566226560.

The previous prime is 56161179577. The next prime is 56161179589. The reversal of 56161179585 is 58597116165.

56161179585 is a `hidden beast` number, since 5 + 616 + 1 + 17 + 9 + 5 + 8 + 5 = 666.

It is not a de Polignac number, because 56161179585 - 2³ = 56161179577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56161179589) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297706 + ... + 448275.

It is an arithmetic number, because the mean of its divisors is an integer number (2327463840).

Almost surely, 2^56161179585 is an apocalyptic number.

It is an amenable number.

56161179585 is a deficient number, since it is larger than the sum of its proper divisors (55557084735).

56161179585 is a wasteful number, since it uses less digits than its factorization.

56161179585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746238 (or 746235 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The spelling of 56161179585 in words is "fifty-six billion, one hundred sixty-one million, one hundred seventy-nine thousand, five hundred eighty-five".