6566642683 has 6 divisors (see below), whose sum is σ = 6975638036. Its totient is φ = 6180369312.

The previous prime is 6566642671. The next prime is 6566642701. The reversal of 6566642683 is 3862466656.

It is not a de Polignac number, because 6566642683 - 2²⁵ = 6533088251 is a prime.

It is a super-2 number, since 2×6566642683² = 86241592252394876978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6566642683.

It is not an unprimeable number, because it can be changed into a prime (6566642653) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11360685 + ... + 11361262.

Almost surely, 2^6566642683 is an apocalyptic number.

6566642683 is a deficient number, since it is larger than the sum of its proper divisors (408995353).

6566642683 is a wasteful number, since it uses less digits than its factorization.

6566642683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22721981 (or 22721964 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 52.

The square root of 6566642683 is about 81034.8238907200. The cubic root of 6566642683 is about 1872.6119698012.

The spelling of 6566642683 in words is "six billion, five hundred sixty-six million, six hundred forty-two thousand, six hundred eighty-three".