163165229 has 2 divisors, whose sum is σ = 163165230. Its totient is φ = 163165228.

The previous prime is 163165193. The next prime is 163165231. The reversal of 163165229 is 922561361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160909225 + 2256004 = 12685^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 163165229 - 2¹² = 163161133 is a prime.

Together with 163165231, 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 (163165279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81582614 + 81582615.

It is an arithmetic number, because the mean of its divisors is an integer number (81582615).

Almost surely, 2^163165229 is an apocalyptic number.

It is an amenable number.

163165229 is a deficient number, since it is larger than the sum of its proper divisors (1).

163165229 is an equidigital number, since it uses as much as digits as its factorization.

163165229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 163165229 is about 12773.6145628401. The cubic root of 163165229 is about 546.4400699695.

The spelling of 163165229 in words is "one hundred sixty-three million, one hundred sixty-five thousand, two hundred twenty-nine".