161560832502764 has 24 divisors (see below), whose sum is σ = 285742425774960. Its totient is φ = 79920700425216.

The previous prime is 161560832502763. The next prime is 161560832502859. The reversal of 161560832502764 is 467205238065161.

It is a super-2 number, since 2×161560832502764² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161560832502763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68971622 + ... + 71275565.

It is an arithmetic number, because the mean of its divisors is an integer number (11905934407290).

Almost surely, 2^{161560832502764} is an apocalyptic number.

It is an amenable number.

161560832502764 is a deficient number, since it is larger than the sum of its proper divisors (124181593272196).

161560832502764 is a wasteful number, since it uses less digits than its factorization.

161560832502764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140250257 (or 140250255 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 161560832502764 in words is "one hundred sixty-one trillion, five hundred sixty billion, eight hundred thirty-two million, five hundred two thousand, seven hundred sixty-four".