168083019 has 20 divisors (see below), whose sum is σ = 270403056. Its totient is φ = 103435056.

The previous prime is 168082991. The next prime is 168083021. The reversal of 168083019 is 910380861.

It is not a de Polignac number, because 168083019 - 2¹⁵ = 168050251 is a prime.

It is a super-2 number, since 2×168083019² = 56503802552308722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168083099) 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 19 ways as a sum of consecutive naturals, for example, 78759 + ... + 80864.

Almost surely, 2^168083019 is an apocalyptic number.

168083019 is a deficient number, since it is larger than the sum of its proper divisors (102320037).

168083019 is a wasteful number, since it uses less digits than its factorization.

168083019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159648 (or 159639 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 168083019 is about 12964.6835287253. The cubic root of 168083019 is about 551.8757104383.

The spelling of 168083019 in words is "one hundred sixty-eight million, eighty-three thousand, nineteen".