2568158328 has 64 divisors (see below), whose sum is σ = 6641107200. Its totient is φ = 827032320.

The previous prime is 2568158317. The next prime is 2568158401. The reversal of 2568158328 is 8238518652.

2568158328 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 50677²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88683 + ... + 114021.

It is an arithmetic number, because the mean of its divisors is an integer number (103767300).

Almost surely, 2^2568158328 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 2568158328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3320553600).

2568158328 is an abundant number, since it is smaller than the sum of its proper divisors (4072948872).

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

2568158328 is a wasteful number, since it uses less digits than its factorization.

2568158328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492 (or 25488 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 2568158328 is about 50676.9999901336. Note that the first 5 decimals coincide. The cubic root of 2568158328 is about 1369.4323981133.

The spelling of 2568158328 in words is "two billion, five hundred sixty-eight million, one hundred fifty-eight thousand, three hundred twenty-eight".