2566125768 has 32 divisors (see below), whose sum is σ = 6417005760. Its totient is φ = 855149760.

The previous prime is 2566125767. The next prime is 2566125791. The reversal of 2566125768 is 8675216652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2566125767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96573 + ... + 120243.

It is an arithmetic number, because the mean of its divisors is an integer number (200531430).

Almost surely, 2^2566125768 is an apocalyptic number.

It is an amenable number.

2566125768 is an abundant number, since it is smaller than the sum of its proper divisors (3850879992).

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

2566125768 is a wasteful number, since it uses less digits than its factorization.

2566125768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28197 (or 28193 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 2566125768 is about 50656.9419527077. The cubic root of 2566125768 is about 1369.0710252537.

The spelling of 2566125768 in words is "two billion, five hundred sixty-six million, one hundred twenty-five thousand, seven hundred sixty-eight".