556538242176 has 704 divisors, whose sum is σ = 1941321756480. Its totient is φ = 155639937024.

The previous prime is 556538242157. The next prime is 556538242193. The reversal of 556538242176 is 671242835655.

556538242176 is a `hidden beast` number, since 5 + 56 + 5 + 382 + 42 + 176 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 87 ways as a sum of consecutive naturals, for example, 3544829490 + ... + 3544829646.

Almost surely, 2^556538242176 is an apocalyptic number.

556538242176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556538242176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970660878240).

556538242176 is an abundant number, since it is smaller than the sum of its proper divisors (1384783514304).

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

556538242176 is an frugal number, since it uses more digits than its factorization.

556538242176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 236 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 556538242176 in words is "five hundred fifty-six billion, five hundred thirty-eight million, two hundred forty-two thousand, one hundred seventy-six".