168568856 has 16 divisors (see below), whose sum is σ = 316505400. Its totient is φ = 84167424.

The previous prime is 168568853. The next prime is 168568867. The reversal of 168568856 is 658865861.

It is a junction number, because it is equal to n+sod(n) for n = 168568798 and 168568807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168568853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8345 + ... + 20168.

Almost surely, 2^168568856 is an apocalyptic number.

It is an amenable number.

168568856 is a deficient number, since it is larger than the sum of its proper divisors (147936544).

168568856 is a wasteful number, since it uses less digits than its factorization.

168568856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29258 (or 29254 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The square root of 168568856 is about 12983.4069488713. The cubic root of 168568856 is about 552.4069235727.

The spelling of 168568856 in words is "one hundred sixty-eight million, five hundred sixty-eight thousand, eight hundred fifty-six".