2555712066 has 16 divisors (see below), whose sum is σ = 5116442688. Its totient is φ = 851067600.

The previous prime is 2555712001. The next prime is 2555712067. The reversal of 2555712066 is 6602175552.

It is not an unprimeable number, because it can be changed into a prime (2555712067) by changing a digit.

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, 202470 + ... + 214721.

It is an arithmetic number, because the mean of its divisors is an integer number (319777668).

Almost surely, 2^2555712066 is an apocalyptic number.

2555712066 is an abundant number, since it is smaller than the sum of its proper divisors (2560730622).

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

2555712066 is a wasteful number, since it uses less digits than its factorization.

2555712066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418217.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 2555712066 is about 50554.0509356075. The cubic root of 2555712066 is about 1367.2165530081.

The spelling of 2555712066 in words is "two billion, five hundred fifty-five million, seven hundred twelve thousand, sixty-six".