166160165660 has 24 divisors (see below), whose sum is σ = 350058342816. Its totient is φ = 66250352960.

The previous prime is 166160165623. The next prime is 166160165719. The reversal of 166160165660 is 66561061661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13350707 + ... + 13363146.

It is an arithmetic number, because the mean of its divisors is an integer number (14585764284).

Almost surely, 2^166160165660 is an apocalyptic number.

166160165660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166160165660 is an abundant number, since it is smaller than the sum of its proper divisors (183898177156).

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

166160165660 is a wasteful number, since it uses less digits than its factorization.

166160165660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26714173 (or 26714171 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 166160165660 in words is "one hundred sixty-six billion, one hundred sixty million, one hundred sixty-five thousand, six hundred sixty".