166068288 has 42 divisors (see below), whose sum is σ = 476006414. Its totient is φ = 55355904.

The previous prime is 166068269. The next prime is 166068299. The reversal of 166068288 is 882860661.

166068288 is a `hidden beast` number, since 16 + 606 + 8 + 28 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 56070144 = 10488^2 + 7488^2 .

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, 143581 + ... + 144732.

Almost surely, 2^166068288 is an apocalyptic number.

166068288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

166068288 is an abundant number, since it is smaller than the sum of its proper divisors (309938126).

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

166068288 is a wasteful number, since it uses less digits than its factorization.

166068288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288331 (or 288318 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 166068288 is about 12886.7485425921. The cubic root of 166068288 is about 549.6618174462.

The spelling of 166068288 in words is "one hundred sixty-six million, sixty-eight thousand, two hundred eighty-eight".