556161112 has 32 divisors (see below), whose sum is σ = 1124408880. Its totient is φ = 256371840.

The previous prime is 556161083. The next prime is 556161113. The reversal of 556161112 is 211161655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556161113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95023 + ... + 100705.

Almost surely, 2^556161112 is an apocalyptic number.

556161112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

556161112 is an abundant number, since it is smaller than the sum of its proper divisors (568247768).

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

556161112 is a wasteful number, since it uses less digits than its factorization.

556161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643 (or 6639 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 556161112 is about 23583.0683330223. The cubic root of 556161112 is about 822.3692691094.

The spelling of 556161112 in words is "five hundred fifty-six million, one hundred sixty-one thousand, one hundred twelve".