166232404 has 24 divisors (see below), whose sum is σ = 313639200. Its totient is φ = 76635744.

The previous prime is 166232399. The next prime is 166232419. The reversal of 166232404 is 404232661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78147 + ... + 80245.

It is an arithmetic number, because the mean of its divisors is an integer number (13068300).

Almost surely, 2^166232404 is an apocalyptic number.

It is an amenable number.

166232404 is a deficient number, since it is larger than the sum of its proper divisors (147406796).

166232404 is a wasteful number, since it uses less digits than its factorization.

166232404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3637 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 166232404 is about 12893.1145965589. The cubic root of 166232404 is about 549.8428245092.

The spelling of 166232404 in words is "one hundred sixty-six million, two hundred thirty-two thousand, four hundred four".