166875628 has 12 divisors (see below), whose sum is σ = 302102640. Its totient is φ = 80560592.

The previous prime is 166875619. The next prime is 166875677. The reversal of 166875628 is 826578661.

166875628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719176 + ... + 719407.

It is an arithmetic number, because the mean of its divisors is an integer number (25175220).

Almost surely, 2^166875628 is an apocalyptic number.

It is an amenable number.

166875628 is a deficient number, since it is larger than the sum of its proper divisors (135227012).

166875628 is a wasteful number, since it uses less digits than its factorization.

166875628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438616 (or 1438614 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 166875628 is about 12918.0349898891. The cubic root of 166875628 is about 550.5511038041.

The spelling of 166875628 in words is "one hundred sixty-six million, eight hundred seventy-five thousand, six hundred twenty-eight".