68160256 has 36 divisors (see below), whose sum is σ = 136898944. Its totient is φ = 33868800.

The previous prime is 68160223. The next prime is 68160271. The reversal of 68160256 is 65206186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45601 + ... + 47071.

Almost surely, 2^68160256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68160256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68449472).

68160256 is an abundant number, since it is smaller than the sum of its proper divisors (68738688).

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

68160256 is a wasteful number, since it uses less digits than its factorization.

68160256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 68160256 is about 8255.9224802562. The cubic root of 68160256 is about 408.4859006543.

The spelling of 68160256 in words is "sixty-eight million, one hundred sixty thousand, two hundred fifty-six".