5666680579 has 4 divisors (see below), whose sum is σ = 6476206384. Its totient is φ = 4857154776.

The previous prime is 5666680577. The next prime is 5666680603. The reversal of 5666680579 is 9750866665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5666680579 - 2¹ = 5666680577 is a prime.

It is a super-2 number, since 2×5666680579² = 64222537568831550482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666680577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404762892 + ... + 404762905.

It is an arithmetic number, because the mean of its divisors is an integer number (1619051596).

Almost surely, 2^5666680579 is an apocalyptic number.

5666680579 is a deficient number, since it is larger than the sum of its proper divisors (809525805).

5666680579 is an equidigital number, since it uses as much as digits as its factorization.

5666680579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809525804.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The square root of 5666680579 is about 75277.3576781226. The cubic root of 5666680579 is about 1782.8285394287.

The spelling of 5666680579 in words is "five billion, six hundred sixty-six million, six hundred eighty thousand, five hundred seventy-nine".