163450221371 has 2 divisors, whose sum is σ = 163450221372. Its totient is φ = 163450221370.

The previous prime is 163450221331. The next prime is 163450221401. The reversal of 163450221371 is 173122054361.

163450221371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163450221371 - 2²⁶ = 163383112507 is a prime.

It is not a weakly prime, because it can be changed into another prime (163450221331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81725110685 + 81725110686.

It is an arithmetic number, because the mean of its divisors is an integer number (81725110686).

Almost surely, 2^163450221371 is an apocalyptic number.

163450221371 is a deficient number, since it is larger than the sum of its proper divisors (1).

163450221371 is an equidigital number, since it uses as much as digits as its factorization.

163450221371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 163450221371 in words is "one hundred sixty-three billion, four hundred fifty million, two hundred twenty-one thousand, three hundred seventy-one".