163808 has 12 divisors (see below), whose sum is σ = 322560. Its totient is φ = 81888.

The previous prime is 163789. The next prime is 163811. The reversal of 163808 is 808361.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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 as a sum of consecutive naturals, namely, 2528 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (26880).

2¹⁶³⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

163808 is a deficient number, since it is larger than the sum of its proper divisors (158752).

163808 is an equidigital number, since it uses as much as digits as its factorization.

163808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129 (or 5121 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 163808 is about 404.7320101005. The cubic root of 163808 is about 54.7156676118.

The spelling of 163808 in words is "one hundred sixty-three thousand, eight hundred eight".