556051566656 has 112 divisors (see below), whose sum is σ = 1167292608768. Its totient is φ = 262285056000.

The previous prime is 556051566647. The next prime is 556051566683. The reversal of 556051566656 is 656665150655.

It is a super-2 number, since 2×556051566656² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39093626 + ... + 39107846.

Almost surely, 2^556051566656 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 556051566656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583646304384).

556051566656 is an abundant number, since it is smaller than the sum of its proper divisors (611241042112).

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

556051566656 is a wasteful number, since it uses less digits than its factorization.

556051566656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14620 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 56.

It can be divided in two parts, 55605 and 1566656, that added together give a palindrome (1622261).

The spelling of 556051566656 in words is "five hundred fifty-six billion, fifty-one million, five hundred sixty-six thousand, six hundred fifty-six".