168746827389 has 16 divisors (see below), whose sum is σ = 263117978112. Its totient is φ = 94184275248.

The previous prime is 168746827309. The next prime is 168746827391. The reversal of 168746827389 is 983728647861.

It is not a de Polignac number, because 168746827389 - 2¹¹ = 168746825341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168746827309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93435879 + ... + 93437684.

It is an arithmetic number, because the mean of its divisors is an integer number (16444873632).

Almost surely, 2^168746827389 is an apocalyptic number.

It is an amenable number.

168746827389 is a deficient number, since it is larger than the sum of its proper divisors (94371150723).

168746827389 is a wasteful number, since it uses less digits than its factorization.

168746827389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186873616.

The product of its digits is 195084288, while the sum is 69.

The spelling of 168746827389 in words is "one hundred sixty-eight billion, seven hundred forty-six million, eight hundred twenty-seven thousand, three hundred eighty-nine".