168535338774 has 64 divisors (see below), whose sum is σ = 380505565440. Its totient is φ = 49295675520.

The previous prime is 168535338733. The next prime is 168535338781. The reversal of 168535338774 is 477833535861.

It is a happy number.

168535338774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7650744 + ... + 7672740.

It is an arithmetic number, because the mean of its divisors is an integer number (5945399460).

Almost surely, 2^168535338774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168535338774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190252782720).

168535338774 is an abundant number, since it is smaller than the sum of its proper divisors (211970226666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168535338774 is a wasteful number, since it uses less digits than its factorization.

168535338774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26045.

The product of its digits is 50803200, while the sum is 60.

The spelling of 168535338774 in words is "one hundred sixty-eight billion, five hundred thirty-five million, three hundred thirty-eight thousand, seven hundred seventy-four".