163099229 has 2 divisors, whose sum is σ = 163099230. Its totient is φ = 163099228.

The previous prime is 163099201. The next prime is 163099231. The reversal of 163099229 is 922990361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 42055225 = 11002^2 + 6485^2 .

It is a cyclic number.

It is not a de Polignac number, because 163099229 - 2¹² = 163095133 is a prime.

It is a Sophie Germain prime.

Together with 163099231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163099829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81549614 + 81549615.

It is an arithmetic number, because the mean of its divisors is an integer number (81549615).

Almost surely, 2^163099229 is an apocalyptic number.

It is an amenable number.

163099229 is a deficient number, since it is larger than the sum of its proper divisors (1).

163099229 is an equidigital number, since it uses as much as digits as its factorization.

163099229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 163099229 is about 12771.0308511099. The cubic root of 163099229 is about 546.3663820711.

The spelling of 163099229 in words is "one hundred sixty-three million, ninety-nine thousand, two hundred twenty-nine".