166630492 has 24 divisors (see below), whose sum is σ = 347751936. Its totient is φ = 68307888.

The previous prime is 166630489. The next prime is 166630511. The reversal of 166630492 is 294036661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128728 + ... + 130015.

It is an arithmetic number, because the mean of its divisors is an integer number (14489664).

Almost surely, 2^166630492 is an apocalyptic number.

It is an amenable number.

166630492 is an abundant number, since it is smaller than the sum of its proper divisors (181121444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166630492 is a wasteful number, since it uses less digits than its factorization.

166630492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258777 (or 258775 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 166630492 is about 12908.5433725111. The cubic root of 166630492 is about 550.2813898956.

The spelling of 166630492 in words is "one hundred sixty-six million, six hundred thirty thousand, four hundred ninety-two".