68563168 has 24 divisors (see below), whose sum is σ = 135265032. Its totient is φ = 34210176.

The previous prime is 68563151. The next prime is 68563171. The reversal of 68563168 is 86136586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15546 + ... + 19462.

It is an arithmetic number, because the mean of its divisors is an integer number (5636043).

Almost surely, 2^68563168 is an apocalyptic number.

It is an amenable number.

68563168 is a deficient number, since it is larger than the sum of its proper divisors (66701864).

68563168 is a wasteful number, since it uses less digits than its factorization.

68563168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4466 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 68563168 is about 8280.2879176995. The cubic root of 68563168 is about 409.2892066820.

The spelling of 68563168 in words is "sixty-eight million, five hundred sixty-three thousand, one hundred sixty-eight".