6366981163 has 2 divisors, whose sum is σ = 6366981164. Its totient is φ = 6366981162.

The previous prime is 6366981109. The next prime is 6366981167. The reversal of 6366981163 is 3611896636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6366981163 is a prime.

It is not a weakly prime, because it can be changed into another prime (6366981167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183490581 + 3183490582.

It is an arithmetic number, because the mean of its divisors is an integer number (3183490582).

Almost surely, 2^6366981163 is an apocalyptic number.

6366981163 is a deficient number, since it is larger than the sum of its proper divisors (1).

6366981163 is an equidigital number, since it uses as much as digits as its factorization.

6366981163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The square root of 6366981163 is about 79793.3654071565. The cubic root of 6366981163 is about 1853.4371128426.

The spelling of 6366981163 in words is "six billion, three hundred sixty-six million, nine hundred eighty-one thousand, one hundred sixty-three".