556267660 has 96 divisors (see below), whose sum is σ = 1289131200. Its totient is φ = 200389632.

The previous prime is 556267643. The next prime is 556267667. The reversal of 556267660 is 66762655.

It is not an unprimeable number, because it can be changed into a prime (556267667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3215334 + ... + 3215506.

It is an arithmetic number, because the mean of its divisors is an integer number (13428450).

Almost surely, 2^556267660 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 556267660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644565600).

556267660 is an abundant number, since it is smaller than the sum of its proper divisors (732863540).

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

556267660 is a wasteful number, since it uses less digits than its factorization.

556267660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 556267660 is about 23585.3272184212. The cubic root of 556267660 is about 822.4217815943.

The spelling of 556267660 in words is "five hundred fifty-six million, two hundred sixty-seven thousand, six hundred sixty".