166725168 has 80 divisors (see below), whose sum is σ = 443114496. Its totient is φ = 53992960.

The previous prime is 166725151. The next prime is 166725191. The reversal of 166725168 is 861527661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593188 + ... + 593468.

Almost surely, 2^166725168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166725168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221557248).

166725168 is an abundant number, since it is smaller than the sum of its proper divisors (276389328).

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

166725168 is a wasteful number, since it uses less digits than its factorization.

166725168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 596 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 166725168 is about 12912.2100354664. The cubic root of 166725168 is about 550.3855896658.

The spelling of 166725168 in words is "one hundred sixty-six million, seven hundred twenty-five thousand, one hundred sixty-eight".