868663297163 has 2 divisors, whose sum is σ = 868663297164. Its totient is φ = 868663297162.

The previous prime is 868663297147. The next prime is 868663297219. The reversal of 868663297163 is 361792366868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868663297163 - 2⁴ = 868663297147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868663297163.

It is not a weakly prime, because it can be changed into another prime (868663297063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434331648581 + 434331648582.

It is an arithmetic number, because the mean of its divisors is an integer number (434331648582).

Almost surely, 2^868663297163 is an apocalyptic number.

868663297163 is a deficient number, since it is larger than the sum of its proper divisors (1).

868663297163 is an equidigital number, since it uses as much as digits as its factorization.

868663297163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94058496, while the sum is 65.

The spelling of 868663297163 in words is "eight hundred sixty-eight billion, six hundred sixty-three million, two hundred ninety-seven thousand, one hundred sixty-three".