163271347 has 2 divisors, whose sum is σ = 163271348. Its totient is φ = 163271346.

The previous prime is 163271333. The next prime is 163271371. The reversal of 163271347 is 743172361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163271347 - 2⁷ = 163271219 is a prime.

It is not a weakly prime, because it can be changed into another prime (163271447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81635673 + 81635674.

It is an arithmetic number, because the mean of its divisors is an integer number (81635674).

Almost surely, 2^163271347 is an apocalyptic number.

163271347 is a deficient number, since it is larger than the sum of its proper divisors (1).

163271347 is an equidigital number, since it uses as much as digits as its factorization.

163271347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 163271347 is about 12777.7676845371. The cubic root of 163271347 is about 546.5585072967.

The spelling of 163271347 in words is "one hundred sixty-three million, two hundred seventy-one thousand, three hundred forty-seven".