8163109663 has 2 divisors, whose sum is σ = 8163109664. Its totient is φ = 8163109662.

The previous prime is 8163109649. The next prime is 8163109667. The reversal of 8163109663 is 3669013618.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8163109663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8163109667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081554831 + 4081554832.

It is an arithmetic number, because the mean of its divisors is an integer number (4081554832).

Almost surely, 2^8163109663 is an apocalyptic number.

8163109663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163109663 is an equidigital number, since it uses as much as digits as its factorization.

8163109663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 8163109663 is about 90349.9289595736. The cubic root of 8163109663 is about 2013.5011266240.

The spelling of 8163109663 in words is "eight billion, one hundred sixty-three million, one hundred nine thousand, six hundred sixty-three".