6566116253013 has 12 divisors (see below), whose sum is σ = 9484943101920. Its totient is φ = 4377155623656.

The previous prime is 6566116253003. The next prime is 6566116253029. The reversal of 6566116253013 is 3103526116656.

It is a happy number.

6566116253013 is a `hidden beast` number, since 6 + 5 + 6 + 6 + 1 + 1 + 625 + 3 + 0 + 13 = 666.

It is not a de Polignac number, because 6566116253013 - 2³⁰ = 6565042511189 is a prime.

It is a super-2 number, since 2×6566116253013² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6566116253013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566116253003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21104631 + ... + 21413492.

It is an arithmetic number, because the mean of its divisors is an integer number (790411925160).

Almost surely, 2^{6566116253013} is an apocalyptic number.

It is an amenable number.

6566116253013 is a deficient number, since it is larger than the sum of its proper divisors (2918826848907).

6566116253013 is a wasteful number, since it uses less digits than its factorization.

6566116253013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42535288 (or 42535285 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 6566116253013 in words is "six trillion, five hundred sixty-six billion, one hundred sixteen million, two hundred fifty-three thousand, thirteen".