2556088766 has 32 divisors (see below), whose sum is σ = 4840750080. Its totient is φ = 983268000.

The previous prime is 2556088751. The next prime is 2556088783. The reversal of 2556088766 is 6678806552.

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 15 ways as a sum of consecutive naturals, for example, 92885 + ... + 117216.

It is an arithmetic number, because the mean of its divisors is an integer number (151273440).

Almost surely, 2^2556088766 is an apocalyptic number.

2556088766 is a deficient number, since it is larger than the sum of its proper divisors (2284661314).

2556088766 is a wasteful number, since it uses less digits than its factorization.

2556088766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210200.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 2556088766 is about 50557.7765136087. The cubic root of 2556088766 is about 1367.2837234822.

The spelling of 2556088766 in words is "two billion, five hundred fifty-six million, eighty-eight thousand, seven hundred sixty-six".