56742740163 has 32 divisors (see below), whose sum is σ = 86861998080. Its totient is φ = 36571534560.

The previous prime is 56742740161. The next prime is 56742740179. The reversal of 56742740163 is 36104724765.

56742740163 is a `hidden beast` number, since 5 + 67 + 427 + 4 + 0 + 163 = 666.

It is not a de Polignac number, because 56742740163 - 2¹ = 56742740161 is a prime.

It is a super-2 number, since 2×56742740163² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56742740161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814420 + ... + 881342.

It is an arithmetic number, because the mean of its divisors is an integer number (2714437440).

Almost surely, 2^56742740163 is an apocalyptic number.

56742740163 is a deficient number, since it is larger than the sum of its proper divisors (30119257917).

56742740163 is a wasteful number, since it uses less digits than its factorization.

56742740163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67976 (or 67970 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 56742740163 in words is "fifty-six billion, seven hundred forty-two million, seven hundred forty thousand, one hundred sixty-three".