2556666812234 has 32 divisors (see below), whose sum is σ = 3899605248000. Its totient is φ = 1257014687040.

The previous prime is 2556666812233. The next prime is 2556666812299. The reversal of 2556666812234 is 4322186666552.

2556666812234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2556666812234.

It is not an unprimeable number, because it can be changed into a prime (2556666812233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17373737 + ... + 17520275.

It is an arithmetic number, because the mean of its divisors is an integer number (121862664000).

Almost surely, 2^{2556666812234} is an apocalyptic number.

2556666812234 is a deficient number, since it is larger than the sum of its proper divisors (1342938435766).

2556666812234 is a wasteful number, since it uses less digits than its factorization.

2556666812234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147278.

The product of its digits is 24883200, while the sum is 56.

The spelling of 2556666812234 in words is "two trillion, five hundred fifty-six billion, six hundred sixty-six million, eight hundred twelve thousand, two hundred thirty-four".