161560567004 has 24 divisors (see below), whose sum is σ = 284018011200. Its totient is φ = 80412812480.

The previous prime is 161560566989. The next prime is 161560567037. The reversal of 161560567004 is 400765065161.

It is a super-2 number, since 2×161560567004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2705582 + ... + 2764650.

It is an arithmetic number, because the mean of its divisors is an integer number (11834083800).

Almost surely, 2^161560567004 is an apocalyptic number.

It is an amenable number.

161560567004 is a deficient number, since it is larger than the sum of its proper divisors (122457444196).

161560567004 is a wasteful number, since it uses less digits than its factorization.

161560567004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62173 (or 62171 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 161560567004 in words is "one hundred sixty-one billion, five hundred sixty million, five hundred sixty-seven thousand, four".