168234219 has 16 divisors (see below), whose sum is σ = 251060640. Its totient is φ = 111335040.

The previous prime is 168234217. The next prime is 168234223. The reversal of 168234219 is 912432861.

It is not a de Polignac number, because 168234219 - 2¹ = 168234217 is a prime.

It is a super-2 number, since 2×168234219² = 56605504885079922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (168234211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19042 + ... + 26439.

It is an arithmetic number, because the mean of its divisors is an integer number (15691290).

Almost surely, 2^168234219 is an apocalyptic number.

168234219 is a deficient number, since it is larger than the sum of its proper divisors (82826421).

168234219 is a wasteful number, since it uses less digits than its factorization.

168234219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45627 (or 45621 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 168234219 is about 12970.5134439620. The cubic root of 168234219 is about 552.0411417823.

The spelling of 168234219 in words is "one hundred sixty-eight million, two hundred thirty-four thousand, two hundred nineteen".