2568660168 has 64 divisors (see below), whose sum is σ = 6718360320. Its totient is φ = 817548800.

The previous prime is 2568660151. The next prime is 2568660229. The reversal of 2568660168 is 8610668652.

It is a happy number.

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, 18478 + ... + 74018.

It is an arithmetic number, because the mean of its divisors is an integer number (104974380).

Almost surely, 2^2568660168 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 2568660168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359180160).

2568660168 is an abundant number, since it is smaller than the sum of its proper divisors (4149700152).

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

2568660168 is a wasteful number, since it uses less digits than its factorization.

2568660168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55638 (or 55634 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 2568660168 is about 50681.9511068783. The cubic root of 2568660168 is about 1369.5215918866.

The spelling of 2568660168 in words is "two billion, five hundred sixty-eight million, six hundred sixty thousand, one hundred sixty-eight".