168864398063 has 2 divisors, whose sum is σ = 168864398064. Its totient is φ = 168864398062.

The previous prime is 168864397991. The next prime is 168864398099. The reversal of 168864398063 is 360893468861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168864398063 - 2³⁰ = 167790656239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168864397987 and 168864398005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168864398663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84432199031 + 84432199032.

It is an arithmetic number, because the mean of its divisors is an integer number (84432199032).

Almost surely, 2^168864398063 is an apocalyptic number.

168864398063 is a deficient number, since it is larger than the sum of its proper divisors (1).

168864398063 is an equidigital number, since it uses as much as digits as its factorization.

168864398063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 168864398063 in words is "one hundred sixty-eight billion, eight hundred sixty-four million, three hundred ninety-eight thousand, sixty-three".