2565266612 has 24 divisors (see below), whose sum is σ = 4755683520. Its totient is φ = 1206576000.

The previous prime is 2565266597. The next prime is 2565266623. The reversal of 2565266612 is 2166625652.

It is a self number, because there is not a number n which added to its sum of digits gives 2565266612.

It is a congruent number.

It is an unprimeable number.

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, 144689 + ... + 161447.

It is an arithmetic number, because the mean of its divisors is an integer number (198153480).

Almost surely, 2^2565266612 is an apocalyptic number.

It is an amenable number.

2565266612 is a deficient number, since it is larger than the sum of its proper divisors (2190416908).

2565266612 is a wasteful number, since it uses less digits than its factorization.

2565266612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19031 (or 19029 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 2565266612 is about 50648.4611019920. The cubic root of 2565266612 is about 1368.9182168325.

The spelling of 2565266612 in words is "two billion, five hundred sixty-five million, two hundred sixty-six thousand, six hundred twelve".