556790668 has 24 divisors (see below), whose sum is σ = 1172192000. Its totient is φ = 226065168.

The previous prime is 556790653. The next prime is 556790669. The reversal of 556790668 is 866097655.

It is not an unprimeable number, because it can be changed into a prime (556790669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522768 + ... + 523831.

Almost surely, 2^556790668 is an apocalyptic number.

It is an amenable number.

556790668 is an abundant number, since it is smaller than the sum of its proper divisors (615401332).

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

556790668 is a wasteful number, since it uses less digits than its factorization.

556790668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046629 (or 1046627 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 556790668 is about 23596.4121849064. The cubic root of 556790668 is about 822.6794503794.

The spelling of 556790668 in words is "five hundred fifty-six million, seven hundred ninety thousand, six hundred sixty-eight".