168350001839 has 4 divisors (see below), whose sum is σ = 168351475824. Its totient is φ = 168348527856.

The previous prime is 168350001829. The next prime is 168350001899. The reversal of 168350001839 is 938100053861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168350001839 - 2⁸ = 168350001583 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 168350001839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168350001829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549827 + ... + 799380.

It is an arithmetic number, because the mean of its divisors is an integer number (42087868956).

Almost surely, 2^168350001839 is an apocalyptic number.

168350001839 is a deficient number, since it is larger than the sum of its proper divisors (1473985).

168350001839 is a wasteful number, since it uses less digits than its factorization.

168350001839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473984.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 168350001839 in words is "one hundred sixty-eight billion, three hundred fifty million, one thousand, eight hundred thirty-nine".