168340067839 has 8 divisors (see below), whose sum is σ = 173921402880. Its totient is φ = 162768171000.

The previous prime is 168340067821. The next prime is 168340067879. The reversal of 168340067839 is 938760043861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168340067839 - 2⁷ = 168340067711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168340067839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168340067879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323279 + ... + 2394640.

It is an arithmetic number, because the mean of its divisors is an integer number (21740175360).

Almost surely, 2^168340067839 is an apocalyptic number.

168340067839 is a deficient number, since it is larger than the sum of its proper divisors (5581335041).

168340067839 is a wasteful number, since it uses less digits than its factorization.

168340067839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719101.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 168340067839 in words is "one hundred sixty-eight billion, three hundred forty million, sixty-seven thousand, eight hundred thirty-nine".