166160601560 has 16 divisors (see below), whose sum is σ = 373861353600. Its totient is φ = 66464240608.

The previous prime is 166160601499. The next prime is 166160601577. The reversal of 166160601560 is 65106061661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077007480 + ... + 2077007559.

It is an arithmetic number, because the mean of its divisors is an integer number (23366334600).

Almost surely, 2^166160601560 is an apocalyptic number.

166160601560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166160601560 is an abundant number, since it is smaller than the sum of its proper divisors (207700752040).

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

166160601560 is a wasteful number, since it uses less digits than its factorization.

166160601560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154015050 (or 4154015046 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 166160601560 in words is "one hundred sixty-six billion, one hundred sixty million, six hundred one thousand, five hundred sixty".