166930556 has 12 divisors (see below), whose sum is σ = 314599992. Its totient is φ = 77044848.

The previous prime is 166930541. The next prime is 166930559. The reversal of 166930556 is 655039661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166930559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605050 + ... + 1605153.

It is an arithmetic number, because the mean of its divisors is an integer number (26216666).

Almost surely, 2^166930556 is an apocalyptic number.

It is an amenable number.

166930556 is a deficient number, since it is larger than the sum of its proper divisors (147669436).

166930556 is a wasteful number, since it uses less digits than its factorization.

166930556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210220 (or 3210218 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 166930556 is about 12920.1608349122. The cubic root of 166930556 is about 550.6115027851.

The spelling of 166930556 in words is "one hundred sixty-six million, nine hundred thirty thousand, five hundred fifty-six".