166560125936 has 40 divisors (see below), whose sum is σ = 331186292304. Its totient is φ = 81100131840.

The previous prime is 166560125861. The next prime is 166560125969. The reversal of 166560125936 is 639521065661.

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, 126746 + ... + 590918.

Almost surely, 2^166560125936 is an apocalyptic number.

166560125936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166560125936 is a deficient number, since it is larger than the sum of its proper divisors (164626166368).

166560125936 is a wasteful number, since it uses less digits than its factorization.

166560125936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464769 (or 464763 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 166560125936 in words is "one hundred sixty-six billion, five hundred sixty million, one hundred twenty-five thousand, nine hundred thirty-six".