6566679 has 12 divisors (see below), whose sum is σ = 10840336. Its totient is φ = 3752352.

The previous prime is 6566663. The next prime is 6566701. The reversal of 6566679 is 9766656.

It is not a de Polignac number, because 6566679 - 2⁴ = 6566663 is a prime.

It is a Duffinian number.

6566679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52054 + ... + 52179.

Almost surely, 2^6566679 is an apocalyptic number.

6566679 is a deficient number, since it is larger than the sum of its proper divisors (4273657).

6566679 is a wasteful number, since it uses less digits than its factorization.

6566679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104246 (or 104243 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 6566679 is about 2562.5532189596. The cubic root of 6566679 is about 187.2615421972.

The spelling of 6566679 in words is "six million, five hundred sixty-six thousand, six hundred seventy-nine".