163828219 has 2 divisors, whose sum is σ = 163828220. Its totient is φ = 163828218.

The previous prime is 163828213. The next prime is 163828253. The reversal of 163828219 is 912828361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163828219 is a prime.

It is a super-2 number, since 2×163828219² = 53679370681423922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163828213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81914109 + 81914110.

It is an arithmetic number, because the mean of its divisors is an integer number (81914110).

Almost surely, 2^163828219 is an apocalyptic number.

163828219 is a deficient number, since it is larger than the sum of its proper divisors (1).

163828219 is an equidigital number, since it uses as much as digits as its factorization.

163828219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 163828219 is about 12799.5397964146. The cubic root of 163828219 is about 547.1791872403.

The spelling of 163828219 in words is "one hundred sixty-three million, eight hundred twenty-eight thousand, two hundred nineteen".