166077328 has 30 divisors (see below), whose sum is σ = 339613494. Its totient is φ = 78665472.

The previous prime is 166077283. The next prime is 166077341. The reversal of 166077328 is 823770661.

It can be written as a sum of positive squares in only one way, i.e., 163021824 + 3055504 = 12768^2 + 1748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8601 + ... + 20152.

Almost surely, 2^166077328 is an apocalyptic number.

It is an amenable number.

166077328 is an abundant number, since it is smaller than the sum of its proper divisors (173536166).

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

166077328 is a wasteful number, since it uses less digits than its factorization.

166077328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799 (or 28774 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 166077328 is about 12887.0992857198. The cubic root of 166077328 is about 549.6717909591.

The spelling of 166077328 in words is "one hundred sixty-six million, seventy-seven thousand, three hundred twenty-eight".