163043471 has 2 divisors, whose sum is σ = 163043472. Its totient is φ = 163043470.

The previous prime is 163043453. The next prime is 163043473. The reversal of 163043471 is 174340361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163043471 - 2²⁶ = 95934607 is a prime.

It is a super-3 number, since 3×163043471³ (a number of 26 digits) contains 333 as substring.

Together with 163043473, 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 (163043473) 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, 81521735 + 81521736.

It is an arithmetic number, because the mean of its divisors is an integer number (81521736).

Almost surely, 2^163043471 is an apocalyptic number.

163043471 is a deficient number, since it is larger than the sum of its proper divisors (1).

163043471 is an equidigital number, since it uses as much as digits as its factorization.

163043471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163043471 is about 12768.8476770615. The cubic root of 163043471 is about 546.3041137021.

The spelling of 163043471 in words is "one hundred sixty-three million, forty-three thousand, four hundred seventy-one".