168038419 has 2 divisors, whose sum is σ = 168038420. Its totient is φ = 168038418.

The previous prime is 168038417. The next prime is 168038467. The reversal of 168038419 is 914830861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168038419 - 2¹ = 168038417 is a prime.

It is a super-2 number, since 2×168038419² = 56473820520039122, which contains 22 as substring.

Together with 168038417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (168038417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84019209 + 84019210.

It is an arithmetic number, because the mean of its divisors is an integer number (84019210).

Almost surely, 2^168038419 is an apocalyptic number.

168038419 is a deficient number, since it is larger than the sum of its proper divisors (1).

168038419 is an equidigital number, since it uses as much as digits as its factorization.

168038419 is an odious number, because the sum of its binary digits is odd.

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

The square root of 168038419 is about 12962.9633571958. The cubic root of 168038419 is about 551.8268936211.

The spelling of 168038419 in words is "one hundred sixty-eight million, thirty-eight thousand, four hundred nineteen".