168236480563 has 2 divisors, whose sum is σ = 168236480564. Its totient is φ = 168236480562.

The previous prime is 168236480543. The next prime is 168236480569. The reversal of 168236480563 is 365084632861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168236480563 - 2⁹ = 168236480051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168236480563.

It is not a weakly prime, because it can be changed into another prime (168236480569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84118240281 + 84118240282.

It is an arithmetic number, because the mean of its divisors is an integer number (84118240282).

Almost surely, 2^168236480563 is an apocalyptic number.

168236480563 is a deficient number, since it is larger than the sum of its proper divisors (1).

168236480563 is an equidigital number, since it uses as much as digits as its factorization.

168236480563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 168236480563 in words is "one hundred sixty-eight billion, two hundred thirty-six million, four hundred eighty thousand, five hundred sixty-three".