168616256 has 14 divisors (see below), whose sum is σ = 334598010. Its totient is φ = 84308096.

The previous prime is 168616247. The next prime is 168616309. The reversal of 168616256 is 652616861.

It is a happy number.

168616256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 143616256 + 25000000 = 11984^2 + 5000^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317251 + ... + 1317378.

Almost surely, 2^168616256 is an apocalyptic number.

168616256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168616256 is a deficient number, since it is larger than the sum of its proper divisors (165981754).

168616256 is an equidigital number, since it uses as much as digits as its factorization.

168616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634641 (or 2634631 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 168616256 is about 12985.2322274190. The cubic root of 168616256 is about 552.4586959561.

The spelling of 168616256 in words is "one hundred sixty-eight million, six hundred sixteen thousand, two hundred fifty-six".