556909168 has 20 divisors (see below), whose sum is σ = 1104106168. Its totient is φ = 271978560.

The previous prime is 556909121. The next prime is 556909169. The reversal of 556909168 is 861909655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556909169) 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 3 ways as a sum of consecutive naturals, for example, 404043 + ... + 405418.

Almost surely, 2^556909168 is an apocalyptic number.

It is an amenable number.

556909168 is a deficient number, since it is larger than the sum of its proper divisors (547197000).

556909168 is a wasteful number, since it uses less digits than its factorization.

556909168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809512 (or 809506 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 556909168 is about 23598.9230262739. The cubic root of 556909168 is about 822.7378089962.

The spelling of 556909168 in words is "five hundred fifty-six million, nine hundred nine thousand, one hundred sixty-eight".