6136616663 has 2 divisors, whose sum is σ = 6136616664. Its totient is φ = 6136616662.

The previous prime is 6136616639. The next prime is 6136616669. The reversal of 6136616663 is 3666166316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6136616663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6136616669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068308331 + 3068308332.

It is an arithmetic number, because the mean of its divisors is an integer number (3068308332).

Almost surely, 2^6136616663 is an apocalyptic number.

6136616663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6136616663 is an equidigital number, since it uses as much as digits as its factorization.

6136616663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 44.

The square root of 6136616663 is about 78336.5601938201. The cubic root of 6136616663 is about 1830.8088298527.

The spelling of 6136616663 in words is "six billion, one hundred thirty-six million, six hundred sixteen thousand, six hundred sixty-three".