163830169 has 2 divisors, whose sum is σ = 163830170. Its totient is φ = 163830168.

The previous prime is 163830167. The next prime is 163830211. The reversal of 163830169 is 961038361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132526144 + 31304025 = 11512^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 163830169 - 2¹ = 163830167 is a prime.

It is a super-2 number, since 2×163830169² = 53680648549137122, which contains 22 as substring.

Together with 163830167, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (163830167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81915084 + 81915085.

It is an arithmetic number, because the mean of its divisors is an integer number (81915085).

Almost surely, 2^163830169 is an apocalyptic number.

It is an amenable number.

163830169 is a deficient number, since it is larger than the sum of its proper divisors (1).

163830169 is an equidigital number, since it uses as much as digits as its factorization.

163830169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 163830169 is about 12799.6159708016. The cubic root of 163830169 is about 547.1813582036.

The spelling of 163830169 in words is "one hundred sixty-three million, eight hundred thirty thousand, one hundred sixty-nine".