6560877667 has 2 divisors, whose sum is σ = 6560877668. Its totient is φ = 6560877666.

The previous prime is 6560877647. The next prime is 6560877679. The reversal of 6560877667 is 7667780656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6560877667 - 2⁷ = 6560877539 is a prime.

It is a super-2 number, since 2×6560877667² = 86090231522678725778, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (6560877637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280438833 + 3280438834.

It is an arithmetic number, because the mean of its divisors is an integer number (3280438834).

Almost surely, 2^6560877667 is an apocalyptic number.

6560877667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6560877667 is an equidigital number, since it uses as much as digits as its factorization.

6560877667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The square root of 6560877667 is about 80999.2448545047. The cubic root of 6560877667 is about 1872.0638054255.

The spelling of 6560877667 in words is "six billion, five hundred sixty million, eight hundred seventy-seven thousand, six hundred sixty-seven".