556168836 has 48 divisors (see below), whose sum is σ = 1373677760. Its totient is φ = 174648960.

The previous prime is 556168829. The next prime is 556168853. The reversal of 556168836 is 638861655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34530 + ... + 48006.

Almost surely, 2^556168836 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 556168836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686838880).

556168836 is an abundant number, since it is smaller than the sum of its proper divisors (817508924).

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

556168836 is a wasteful number, since it uses less digits than its factorization.

556168836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684 (or 13682 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 556168836 is about 23583.2320940112. The cubic root of 556168836 is about 822.3730761302.

The spelling of 556168836 in words is "five hundred fifty-six million, one hundred sixty-eight thousand, eight hundred thirty-six".