556683323386656 has 96 divisors (see below), whose sum is σ = 1468024366636800. Its totient is φ = 184707075338240.

The previous prime is 556683323386649. The next prime is 556683323386699. The reversal of 556683323386656 is 656683323386655.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49534600 + ... + 59724728.

It is an arithmetic number, because the mean of its divisors is an integer number (15291920485800).

Almost surely, 2^{556683323386656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556683323386656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734012183318400).

556683323386656 is an abundant number, since it is smaller than the sum of its proper divisors (911341043250144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556683323386656 is a wasteful number, since it uses less digits than its factorization.

556683323386656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192762 (or 10192754 counting only the distinct ones).

The product of its digits is 10077696000, while the sum is 75.

Subtracting 556683323386656 from its reverse (656683323386655), we obtain a palindrome (99999999999999).

The spelling of 556683323386656 in words is "five hundred fifty-six trillion, six hundred eighty-three billion, three hundred twenty-three million, three hundred eighty-six thousand, six hundred fifty-six".