163568 has 10 divisors (see below), whose sum is σ = 316944. Its totient is φ = 81776.

The previous prime is 163567. The next prime is 163573. The reversal of 163568 is 865361.

It is a self number, because there is not a number n which added to its sum of digits gives 163568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163561) by changing a digit.

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, 5096 + ... + 5127.

2¹⁶³⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

163568 is a deficient number, since it is larger than the sum of its proper divisors (153376).

163568 is a wasteful number, since it uses less digits than its factorization.

163568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231 (or 10225 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 163568 is about 404.4354089345. The cubic root of 163568 is about 54.6889326972.

The spelling of 163568 in words is "one hundred sixty-three thousand, five hundred sixty-eight".