163823409163 has 2 divisors, whose sum is σ = 163823409164. Its totient is φ = 163823409162.

The previous prime is 163823409161. The next prime is 163823409203. The reversal of 163823409163 is 361904328361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163823409163 - 2¹ = 163823409161 is a prime.

Together with 163823409161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (163823409161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81911704581 + 81911704582.

It is an arithmetic number, because the mean of its divisors is an integer number (81911704582).

Almost surely, 2^163823409163 is an apocalyptic number.

163823409163 is a deficient number, since it is larger than the sum of its proper divisors (1).

163823409163 is an equidigital number, since it uses as much as digits as its factorization.

163823409163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 163823409163 in words is "one hundred sixty-three billion, eight hundred twenty-three million, four hundred nine thousand, one hundred sixty-three".