161570560604 has 12 divisors (see below), whose sum is σ = 297629980200. Its totient is φ = 76533423408.

The previous prime is 161570560601. The next prime is 161570560631. The reversal of 161570560604 is 406065075161.

It is a super-2 number, since 2×161570560604² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161570560601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062964139 + ... + 1062964290.

It is an arithmetic number, because the mean of its divisors is an integer number (24802498350).

Almost surely, 2^161570560604 is an apocalyptic number.

It is an amenable number.

161570560604 is a deficient number, since it is larger than the sum of its proper divisors (136059419596).

161570560604 is a wasteful number, since it uses less digits than its factorization.

161570560604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125928452 (or 2125928450 counting only the distinct ones).

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

The spelling of 161570560604 in words is "one hundred sixty-one billion, five hundred seventy million, five hundred sixty thousand, six hundred four".