256116 has 24 divisors (see below), whose sum is σ = 683200. Its totient is φ = 73152.

The previous prime is 256093. The next prime is 256117. The reversal of 256116 is 611652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 256092 and 256101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256117) by changing a digit.

256116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 1608.

2²⁵⁶¹¹⁶ is an apocalyptic number.

It is an amenable number.

256116 is an abundant number, since it is smaller than the sum of its proper divisors (427084).

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

256116 is a wasteful number, since it uses less digits than its factorization.

256116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3061 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 256116 is about 506.0790452093. The cubic root of 256116 is about 63.5056311785.

Adding to 256116 its reverse (611652), we get a palindrome (867768).

The spelling of 256116 in words is "two hundred fifty-six thousand, one hundred sixteen".