2656768684768 has 24 divisors (see below), whose sum is σ = 5706014562360. Its totient is φ = 1207622129280.

The previous prime is 2656768684741. The next prime is 2656768684777. The reversal of 2656768684768 is 8674868676562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773818803 + ... + 3773819506.

It is an arithmetic number, because the mean of its divisors is an integer number (237750606765).

Almost surely, 2^{2656768684768} is an apocalyptic number.

It is an amenable number.

2656768684768 is an abundant number, since it is smaller than the sum of its proper divisors (3049245877592).

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

2656768684768 is a wasteful number, since it uses less digits than its factorization.

2656768684768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547638330 (or 7547638322 counting only the distinct ones).

The product of its digits is 7803371520, while the sum is 79.

The spelling of 2656768684768 in words is "two trillion, six hundred fifty-six billion, seven hundred sixty-eight million, six hundred eighty-four thousand, seven hundred sixty-eight".