2656795205566 has 8 divisors (see below), whose sum is σ = 3985200610560. Its totient is φ = 1328395002048.

The previous prime is 2656795205513. The next prime is 2656795205587. The reversal of 2656795205566 is 6655025976562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2656795205498 and 2656795205507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445230 + ... + 2347726.

It is an arithmetic number, because the mean of its divisors is an integer number (498150076320).

Almost surely, 2^{2656795205566} is an apocalyptic number.

2656795205566 is a deficient number, since it is larger than the sum of its proper divisors (1328405404994).

2656795205566 is a wasteful number, since it uses less digits than its factorization.

2656795205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600738.

The product of its (nonzero) digits is 204120000, while the sum is 64.

The spelling of 2656795205566 in words is "two trillion, six hundred fifty-six billion, seven hundred ninety-five million, two hundred five thousand, five hundred sixty-six".