168343827504 has 160 divisors (see below), whose sum is σ = 461027635200. Its totient is φ = 52822344960.

The previous prime is 168343827503. The next prime is 168343827511. The reversal of 168343827504 is 405728343861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (168343827503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51653427 + ... + 51656685.

It is an arithmetic number, because the mean of its divisors is an integer number (2881422720).

Almost surely, 2^168343827504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168343827504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230513817600).

168343827504 is an abundant number, since it is smaller than the sum of its proper divisors (292683807696).

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

168343827504 is a wasteful number, since it uses less digits than its factorization.

168343827504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 168343827504 in words is "one hundred sixty-eight billion, three hundred forty-three million, eight hundred twenty-seven thousand, five hundred four".