556243126636 has 24 divisors (see below), whose sum is σ = 992417887440. Its totient is φ = 272718908352.

The previous prime is 556243126613. The next prime is 556243126643. The reversal of 556243126636 is 636621342655.

It is a self number, because there is not a number n which added to its sum of digits gives 556243126636.

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, 2874775 + ... + 3062158.

It is an arithmetic number, because the mean of its divisors is an integer number (41350745310).

Almost surely, 2^556243126636 is an apocalyptic number.

It is an amenable number.

556243126636 is a deficient number, since it is larger than the sum of its proper divisors (436174760804).

556243126636 is a wasteful number, since it uses less digits than its factorization.

556243126636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937393 (or 5937391 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 49.

The spelling of 556243126636 in words is "five hundred fifty-six billion, two hundred forty-three million, one hundred twenty-six thousand, six hundred thirty-six".