556501666752 has 168 divisors, whose sum is σ = 1682754013200. Its totient is φ = 175351246848.

The previous prime is 556501666751. The next prime is 556501666753. The reversal of 556501666752 is 257666105655.

It is an interprime number because it is at equal distance from previous prime (556501666751) and next prime (556501666753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556501666751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4945774 + ... + 5057042.

Almost surely, 2^556501666752 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 556501666752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841377006600).

556501666752 is an abundant number, since it is smaller than the sum of its proper divisors (1126252346448).

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

556501666752 is a wasteful number, since it uses less digits than its factorization.

556501666752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111763 (or 111750 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 556501666752 in words is "five hundred fifty-six billion, five hundred one million, six hundred sixty-six thousand, seven hundred fifty-two".