556566912 has 192 divisors, whose sum is σ = 1764322560. Its totient is φ = 167009280.

The previous prime is 556566911. The next prime is 556566937. The reversal of 556566912 is 219665655.

556566912 is a `hidden beast` number, since 556 + 5 + 6 + 6 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556566911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2116093 + ... + 2116355.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2^556566912 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 556566912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882161280).

556566912 is an abundant number, since it is smaller than the sum of its proper divisors (1207755648).

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

556566912 is a wasteful number, since it uses less digits than its factorization.

556566912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 446 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 556566912 is about 23591.6703944422. The cubic root of 556566912 is about 822.5692329388.

The spelling of 556566912 in words is "five hundred fifty-six million, five hundred sixty-six thousand, nine hundred twelve".