163422172339 has 2 divisors, whose sum is σ = 163422172340. Its totient is φ = 163422172338.

The previous prime is 163422172321. The next prime is 163422172421. The reversal of 163422172339 is 933271224361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163422172339 - 2²¹ = 163420075187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163422172295 and 163422172304.

It is not a weakly prime, because it can be changed into another prime (163422176339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81711086169 + 81711086170.

It is an arithmetic number, because the mean of its divisors is an integer number (81711086170).

Almost surely, 2^163422172339 is an apocalyptic number.

163422172339 is a deficient number, since it is larger than the sum of its proper divisors (1).

163422172339 is an equidigital number, since it uses as much as digits as its factorization.

163422172339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The spelling of 163422172339 in words is "one hundred sixty-three billion, four hundred twenty-two million, one hundred seventy-two thousand, three hundred thirty-nine".