2568669696 has 120 divisors (see below), whose sum is σ = 7437598740. Its totient is φ = 853426176.

The previous prime is 2568669683. The next prime is 2568669731. The reversal of 2568669696 is 6969668652.

2568669696 is a `hidden beast` number, since 2 + 568 + 6 + 6 + 9 + 69 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2564409600 + 4260096 = 50640^2 + 2064^2 .

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 11 ways as a sum of consecutive naturals, for example, 1791796 + ... + 1793228.

Almost surely, 2^2568669696 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 2568669696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718799370).

2568669696 is an abundant number, since it is smaller than the sum of its proper divisors (4868929044).

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

2568669696 is a wasteful number, since it uses less digits than its factorization.

2568669696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1827 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 2568669696 is about 50682.0451047509. The cubic root of 2568669696 is about 1369.5232852189.

The spelling of 2568669696 in words is "two billion, five hundred sixty-eight million, six hundred sixty-nine thousand, six hundred ninety-six".