163285427 has 2 divisors, whose sum is σ = 163285428. Its totient is φ = 163285426.

The previous prime is 163285393. The next prime is 163285433. The reversal of 163285427 is 724582361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163285427 - 2¹⁰ = 163284403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163285127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81642713 + 81642714.

It is an arithmetic number, because the mean of its divisors is an integer number (81642714).

Almost surely, 2^163285427 is an apocalyptic number.

163285427 is a deficient number, since it is larger than the sum of its proper divisors (1).

163285427 is an equidigital number, since it uses as much as digits as its factorization.

163285427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 163285427 is about 12778.3186296163. The cubic root of 163285427 is about 546.5742179990.

The spelling of 163285427 in words is "one hundred sixty-three million, two hundred eighty-five thousand, four hundred twenty-seven".