56160646560 has 144 divisors (see below), whose sum is σ = 197830563840. Its totient is φ = 14493058560.

The previous prime is 56160646541. The next prime is 56160646561. The reversal of 56160646560 is 6564606165.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (56160646561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584400 + ... + 673679.

It is an arithmetic number, because the mean of its divisors is an integer number (1373823360).

Almost surely, 2^56160646560 is an apocalyptic number.

It is an amenable number.

56160646560 is an abundant number, since it is smaller than the sum of its proper divisors (141669917280).

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

56160646560 is a wasteful number, since it uses less digits than its factorization.

56160646560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258131 (or 1258120 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 56160646560 in words is "fifty-six billion, one hundred sixty million, six hundred forty-six thousand, five hundred sixty".