2100116663 has 2 divisors, whose sum is σ = 2100116664. Its totient is φ = 2100116662.

The previous prime is 2100116659. The next prime is 2100116671. The reversal of 2100116663 is 3666110012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100116663 - 2² = 2100116659 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 (2100116653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050058331 + 1050058332.

It is an arithmetic number, because the mean of its divisors is an integer number (1050058332).

Almost surely, 2^2100116663 is an apocalyptic number.

2100116663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100116663 is an equidigital number, since it uses as much as digits as its factorization.

2100116663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2100116663 is about 45827.0298295667. The cubic root of 2100116663 is about 1280.6028782320.

Adding to 2100116663 its reverse (3666110012), we get a palindrome (5766226675).

The spelling of 2100116663 in words is "two billion, one hundred million, one hundred sixteen thousand, six hundred sixty-three".