2568016672 has 48 divisors (see below), whose sum is σ = 5591876472. Its totient is φ = 1153198080.

The previous prime is 2568016621. The next prime is 2568016681. The reversal of 2568016672 is 2766108652.

It can be written as a sum of positive squares in 4 ways, for example, as 2439964816 + 128051856 = 49396^2 + 11316^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68029 + ... + 98812.

Almost surely, 2^2568016672 is an apocalyptic number.

It is an amenable number.

2568016672 is an abundant number, since it is smaller than the sum of its proper divisors (3023859800).

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

2568016672 is a wasteful number, since it uses less digits than its factorization.

2568016672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166901 (or 166893 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2568016672 is about 50675.6023348514. The cubic root of 2568016672 is about 1369.4072189955.

The spelling of 2568016672 in words is "two billion, five hundred sixty-eight million, sixteen thousand, six hundred seventy-two".