556197868 has 24 divisors (see below), whose sum is σ = 1069125120. Its totient is φ = 252006480.

The previous prime is 556197853. The next prime is 556197869. The reversal of 556197868 is 868791655.

It is not an unprimeable number, because it can be changed into a prime (556197869) 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, 157348 + ... + 160843.

It is an arithmetic number, because the mean of its divisors is an integer number (44546880).

Almost surely, 2^556197868 is an apocalyptic number.

It is an amenable number.

556197868 is a deficient number, since it is larger than the sum of its proper divisors (512927252).

556197868 is a wasteful number, since it uses less digits than its factorization.

556197868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318237 (or 318235 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 55.

The square root of 556197868 is about 23583.8476080558. The cubic root of 556197868 is about 822.3873851662.

The spelling of 556197868 in words is "five hundred fifty-six million, one hundred ninety-seven thousand, eight hundred sixty-eight".