163982904 has 16 divisors (see below), whose sum is σ = 409957320. Its totient is φ = 54660960.

The previous prime is 163982869. The next prime is 163982911. The reversal of 163982904 is 409289361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416287 + ... + 3416334.

Almost surely, 2^163982904 is an apocalyptic number.

It is an amenable number.

163982904 is an abundant number, since it is smaller than the sum of its proper divisors (245974416).

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

163982904 is a wasteful number, since it uses less digits than its factorization.

163982904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832630 (or 6832626 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 163982904 is about 12805.5809708111. The cubic root of 163982904 is about 547.3513468112.

The spelling of 163982904 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, nine hundred four".