556801168 has 160 divisors (see below), whose sum is σ = 1417052160. Its totient is φ = 205632000.

The previous prime is 556801121. The next prime is 556801169. The reversal of 556801168 is 861108655.

It is a self number, because there is not a number n which added to its sum of digits gives 556801168.

It is not an unprimeable number, because it can be changed into a prime (556801169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329593 + ... + 2329831.

It is an arithmetic number, because the mean of its divisors is an integer number (8856576).

Almost surely, 2^556801168 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 556801168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708526080).

556801168 is an abundant number, since it is smaller than the sum of its proper divisors (860250992).

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

556801168 is a wasteful number, since it uses less digits than its factorization.

556801168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 556801168 is about 23596.6346753091. The cubic root of 556801168 is about 822.6846217304.

The spelling of 556801168 in words is "five hundred fifty-six million, eight hundred one thousand, one hundred sixty-eight".