556168 has 16 divisors (see below), whose sum is σ = 1098000. Its totient is φ = 263376.

The previous prime is 556159. The next prime is 556177. The reversal of 556168 is 861655.

It is an interprime number because it is at equal distance from previous prime (556159) and next prime (556177).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

2⁵⁵⁶¹⁶⁸ is an apocalyptic number.

It is an amenable number.

556168 is a deficient number, since it is larger than the sum of its proper divisors (541832).

556168 is a wasteful number, since it uses less digits than its factorization.

556168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3680 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 556168 is about 745.7667195578. The cubic root of 556168 is about 82.2372664083.

The spelling of 556168 in words is "five hundred fifty-six thousand, one hundred sixty-eight".