163243141 has 2 divisors, whose sum is σ = 163243142. Its totient is φ = 163243140.

The previous prime is 163243139. The next prime is 163243153. The reversal of 163243141 is 141342361.

163243141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 76212900 = 9329^2 + 8730^2 .

It is a cyclic number.

It is not a de Polignac number, because 163243141 - 2¹ = 163243139 is a prime.

Together with 163243139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163243541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81621570 + 81621571.

It is an arithmetic number, because the mean of its divisors is an integer number (81621571).

Almost surely, 2^163243141 is an apocalyptic number.

It is an amenable number.

163243141 is a deficient number, since it is larger than the sum of its proper divisors (1).

163243141 is an equidigital number, since it uses as much as digits as its factorization.

163243141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 163243141 is about 12776.6639229495. The cubic root of 163243141 is about 546.5270318472.

The spelling of 163243141 in words is "one hundred sixty-three million, two hundred forty-three thousand, one hundred forty-one".