166976228 has 24 divisors (see below), whose sum is σ = 307728960. Its totient is φ = 79120800.

The previous prime is 166976219. The next prime is 166976233. The reversal of 166976228 is 822679661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (12822040).

Almost surely, 2^166976228 is an apocalyptic number.

It is an amenable number.

166976228 is a deficient number, since it is larger than the sum of its proper divisors (140752732).

166976228 is a wasteful number, since it uses less digits than its factorization.

166976228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16787 (or 16785 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 166976228 is about 12921.9281842920. The cubic root of 166976228 is about 550.6617137552.

The spelling of 166976228 in words is "one hundred sixty-six million, nine hundred seventy-six thousand, two hundred twenty-eight".