166132664 has 32 divisors (see below), whose sum is σ = 324731280. Its totient is φ = 79605504.

The previous prime is 166132643. The next prime is 166132667. The reversal of 166132664 is 466231661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166132667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15644 + ... + 24020.

Almost surely, 2^166132664 is an apocalyptic number.

It is an amenable number.

166132664 is a deficient number, since it is larger than the sum of its proper divisors (158598616).

166132664 is a wasteful number, since it uses less digits than its factorization.

166132664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487 (or 8483 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 166132664 is about 12889.2460601852. The cubic root of 166132664 is about 549.7328333282.

The spelling of 166132664 in words is "one hundred sixty-six million, one hundred thirty-two thousand, six hundred sixty-four".