166912928 has 144 divisors (see below), whose sum is σ = 427424256. Its totient is φ = 62415360.

The previous prime is 166912901. The next prime is 166912931. The reversal of 166912928 is 829219661.

166912928 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

Its product of digits (93312) is a multiple of the sum of its prime divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3881675 + ... + 3881717.

It is an arithmetic number, because the mean of its divisors is an integer number (2968224).

Almost surely, 2^166912928 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 166912928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213712128).

166912928 is an abundant number, since it is smaller than the sum of its proper divisors (260511328).

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

166912928 is a wasteful number, since it uses less digits than its factorization.

166912928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 96 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 166912928 is about 12919.4786272512. The cubic root of 166912928 is about 550.5921204314.

The spelling of 166912928 in words is "one hundred sixty-six million, nine hundred twelve thousand, nine hundred twenty-eight".