163529481671 has 2 divisors, whose sum is σ = 163529481672. Its totient is φ = 163529481670.

The previous prime is 163529481623. The next prime is 163529481673. The reversal of 163529481671 is 176184925361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163529481671 is a prime.

Together with 163529481673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163529481673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81764740835 + 81764740836.

It is an arithmetic number, because the mean of its divisors is an integer number (81764740836).

Almost surely, 2^163529481671 is an apocalyptic number.

163529481671 is a deficient number, since it is larger than the sum of its proper divisors (1).

163529481671 is an equidigital number, since it uses as much as digits as its factorization.

163529481671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The spelling of 163529481671 in words is "one hundred sixty-three billion, five hundred twenty-nine million, four hundred eighty-one thousand, six hundred seventy-one".