256168 has 32 divisors (see below), whose sum is σ = 544320. Its totient is φ = 112000.

The previous prime is 256163. The next prime is 256169. The reversal of 256168 is 861652.

256168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3573 + ... + 3643.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²⁵⁶¹⁶⁸ 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 256168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272160).

256168 is an abundant number, since it is smaller than the sum of its proper divisors (288152).

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

256168 is a wasteful number, since it uses less digits than its factorization.

256168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 125 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 256168 is about 506.1304179754. The cubic root of 256168 is about 63.5099288007.

It can be divided in two parts, 256 and 168, that added together give a palindrome (424).

The spelling of 256168 in words is "two hundred fifty-six thousand, one hundred sixty-eight".