168313656 has 64 divisors (see below), whose sum is σ = 481985280. Its totient is φ = 47980800.

The previous prime is 168313619. The next prime is 168313657. The reversal of 168313656 is 656313861.

168313656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168313657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100135 + ... + 101801.

It is an arithmetic number, because the mean of its divisors is an integer number (7531020).

Almost surely, 2^168313656 is an apocalyptic number.

It is an amenable number.

168313656 is an abundant number, since it is smaller than the sum of its proper divisors (313671624).

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

168313656 is a wasteful number, since it uses less digits than its factorization.

168313656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2280 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 168313656 is about 12973.5752975038. The cubic root of 168313656 is about 552.1280158878.

The spelling of 168313656 in words is "one hundred sixty-eight million, three hundred thirteen thousand, six hundred fifty-six".