168608256 has 80 divisors (see below), whose sum is σ = 463803648. Its totient is φ = 54374400.

The previous prime is 168608221. The next prime is 168608257. The reversal of 168608256 is 652806861.

It is not an unprimeable number, because it can be changed into a prime (168608257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45846 + ... + 49386.

Almost surely, 2^168608256 is an apocalyptic number.

168608256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168608256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231901824).

168608256 is an abundant number, since it is smaller than the sum of its proper divisors (295195392).

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

168608256 is an equidigital number, since it uses as much as digits as its factorization.

168608256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3577 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 168608256 is about 12984.9241815268. The cubic root of 168608256 is about 552.4499586817.

The spelling of 168608256 in words is "one hundred sixty-eight million, six hundred eight thousand, two hundred fifty-six".