165600101660 has 96 divisors (see below), whose sum is σ = 422545600512. Its totient is φ = 53283859200.

The previous prime is 165600101609. The next prime is 165600101669. The reversal of 165600101660 is 66101006561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165600101669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314516 + ... + 655835.

It is an arithmetic number, because the mean of its divisors is an integer number (4401516672).

Almost surely, 2^165600101660 is an apocalyptic number.

165600101660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165600101660 is an abundant number, since it is smaller than the sum of its proper divisors (256945498852).

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

165600101660 is a wasteful number, since it uses less digits than its factorization.

165600101660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970443 (or 970441 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 165600101660 in words is "one hundred sixty-five billion, six hundred million, one hundred one thousand, six hundred sixty".