6566806505275 has 12 divisors (see below), whose sum is σ = 8162274065400. Its totient is φ = 5240907140480.

The previous prime is 6566806505261. The next prime is 6566806505297. The reversal of 6566806505275 is 5725056086656.

It is not a de Polignac number, because 6566806505275 - 2¹¹ = 6566806503227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313440910 + ... + 313461859.

It is an arithmetic number, because the mean of its divisors is an integer number (680189505450).

Almost surely, 2^{6566806505275} is an apocalyptic number.

6566806505275 is a deficient number, since it is larger than the sum of its proper divisors (1595467560125).

6566806505275 is a wasteful number, since it uses less digits than its factorization.

6566806505275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626903198 (or 626903193 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 61.

The spelling of 6566806505275 in words is "six trillion, five hundred sixty-six billion, eight hundred six million, five hundred five thousand, two hundred seventy-five".