556733337656 has 16 divisors (see below), whose sum is σ = 1044579875040. Its totient is φ = 278178704320.

The previous prime is 556733337607. The next prime is 556733337679. The reversal of 556733337656 is 656733337655.

It is a junction number, because it is equal to n+sod(n) for n = 556733337595 and 556733337604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23482976 + ... + 23506671.

It is an arithmetic number, because the mean of its divisors is an integer number (65286242190).

Almost surely, 2^556733337656 is an apocalyptic number.

It is an amenable number.

556733337656 is a deficient number, since it is larger than the sum of its proper divisors (487846537384).

556733337656 is a wasteful number, since it uses less digits than its factorization.

556733337656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46991134 (or 46991130 counting only the distinct ones).

The product of its digits is 107163000, while the sum is 59.

Subtracting 556733337656 from its reverse (656733337655), we obtain a palindrome (99999999999).

The spelling of 556733337656 in words is "five hundred fifty-six billion, seven hundred thirty-three million, three hundred thirty-seven thousand, six hundred fifty-six".