166709738600 has 48 divisors (see below), whose sum is σ = 387698831520. Its totient is φ = 66666916800.

The previous prime is 166709738557. The next prime is 166709738617. The reversal of 166709738600 is 6837907661.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696485 + ... + 904715.

It is an arithmetic number, because the mean of its divisors is an integer number (8077058990).

Almost surely, 2^166709738600 is an apocalyptic number.

166709738600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166709738600 is an abundant number, since it is smaller than the sum of its proper divisors (220989092920).

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

166709738600 is a wasteful number, since it uses less digits than its factorization.

166709738600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212250 (or 212241 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 166709738600 in words is "one hundred sixty-six billion, seven hundred nine million, seven hundred thirty-eight thousand, six hundred".