163450340171 has 2 divisors, whose sum is σ = 163450340172. Its totient is φ = 163450340170.

The previous prime is 163450340087. The next prime is 163450340227. The reversal of 163450340171 is 171043054361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163450340171 - 2¹⁰ = 163450339147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (163450340771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81725170085 + 81725170086.

It is an arithmetic number, because the mean of its divisors is an integer number (81725170086).

Almost surely, 2^163450340171 is an apocalyptic number.

163450340171 is a deficient number, since it is larger than the sum of its proper divisors (1).

163450340171 is an equidigital number, since it uses as much as digits as its factorization.

163450340171 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 163450340171 in words is "one hundred sixty-three billion, four hundred fifty million, three hundred forty thousand, one hundred seventy-one".