556561606606 has 16 divisors (see below), whose sum is σ = 871159716000. Its totient is φ = 266175584928.

The previous prime is 556561606481. The next prime is 556561606613. The reversal of 556561606606 is 606606165655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417560 + ... + 2637748.

It is an arithmetic number, because the mean of its divisors is an integer number (54447482250).

Almost surely, 2^556561606606 is an apocalyptic number.

556561606606 is a deficient number, since it is larger than the sum of its proper divisors (314598109394).

556561606606 is a wasteful number, since it uses less digits than its factorization.

556561606606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275163.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 556561606606 in words is "five hundred fifty-six billion, five hundred sixty-one million, six hundred six thousand, six hundred six".