129163918762663 has 2 divisors, whose sum is σ = 129163918762664. Its totient is φ = 129163918762662.

The previous prime is 129163918762577. The next prime is 129163918762717. The reversal of 129163918762663 is 366267819361921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129163918762663 - 2¹⁷ = 129163918631591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129163918762592 and 129163918762601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129163918768663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64581959381331 + 64581959381332.

It is an arithmetic number, because the mean of its divisors is an integer number (64581959381332).

Almost surely, 2^{129163918762663} is an apocalyptic number.

129163918762663 is a deficient number, since it is larger than the sum of its proper divisors (1).

129163918762663 is an equidigital number, since it uses as much as digits as its factorization.

129163918762663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211631616, while the sum is 70.

The spelling of 129163918762663 in words is "one hundred twenty-nine trillion, one hundred sixty-three billion, nine hundred eighteen million, seven hundred sixty-two thousand, six hundred sixty-three".