557799972156 has 192 divisors, whose sum is σ = 1774610933760. Its totient is φ = 147883760640.

The previous prime is 557799972127. The next prime is 557799972161. The reversal of 557799972156 is 651279997755.

It is a super-2 number, since 2×557799972156² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 606846 + ... + 1218138.

It is an arithmetic number, because the mean of its divisors is an integer number (9242765280).

Almost surely, 2^557799972156 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 557799972156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887305466880).

557799972156 is an abundant number, since it is smaller than the sum of its proper divisors (1216810961604).

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

557799972156 is a wasteful number, since it uses less digits than its factorization.

557799972156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611401 (or 611393 counting only the distinct ones).

The product of its digits is 375070500, while the sum is 72.

The spelling of 557799972156 in words is "five hundred fifty-seven billion, seven hundred ninety-nine million, nine hundred seventy-two thousand, one hundred fifty-six".