166485976 has 16 divisors (see below), whose sum is σ = 315253440. Its totient is φ = 82418400.

The previous prime is 166485973. The next prime is 166486043. The reversal of 166485976 is 679584661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166485971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102216 + ... + 103831.

It is an arithmetic number, because the mean of its divisors is an integer number (19703340).

Almost surely, 2^166485976 is an apocalyptic number.

It is an amenable number.

166485976 is a deficient number, since it is larger than the sum of its proper divisors (148767464).

166485976 is a wasteful number, since it uses less digits than its factorization.

166485976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206154 (or 206150 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 166485976 is about 12902.9444701587. The cubic root of 166485976 is about 550.1222604238.

The spelling of 166485976 in words is "one hundred sixty-six million, four hundred eighty-five thousand, nine hundred seventy-six".