168132404 has 36 divisors (see below), whose sum is σ = 324613632. Its totient is φ = 76140240.

The previous prime is 168132389. The next prime is 168132407. The reversal of 168132404 is 404231861.

168132404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168132407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184919 + ... + 185825.

Almost surely, 2^168132404 is an apocalyptic number.

It is an amenable number.

168132404 is a deficient number, since it is larger than the sum of its proper divisors (156481228).

168132404 is a wasteful number, since it uses less digits than its factorization.

168132404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 168132404 is about 12966.5879860509. The cubic root of 168132404 is about 551.9297545913.

The spelling of 168132404 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, four hundred four".