556166768 has 20 divisors (see below), whose sum is σ = 1095240168. Its totient is φ = 273524160.

The previous prime is 556166759. The next prime is 556166771. The reversal of 556166768 is 867661655.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283946 + ... + 285897.

Almost surely, 2^556166768 is an apocalyptic number.

It is an amenable number.

556166768 is a deficient number, since it is larger than the sum of its proper divisors (539073400).

556166768 is a wasteful number, since it uses less digits than its factorization.

556166768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569912 (or 569906 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 556166768 is about 23583.1882492593. The cubic root of 556166768 is about 822.3720568536.

The spelling of 556166768 in words is "five hundred fifty-six million, one hundred sixty-six thousand, seven hundred sixty-eight".