168468368500 has 96 divisors (see below), whose sum is σ = 380275983360. Its totient is φ = 65132496000.

The previous prime is 168468368441. The next prime is 168468368501. The reversal of 168468368500 is 5863864861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168468368501) 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, 13308174 + ... + 13320826.

It is an arithmetic number, because the mean of its divisors is an integer number (3961208160).

Almost surely, 2^168468368500 is an apocalyptic number.

168468368500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168468368500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190137991680).

168468368500 is an abundant number, since it is smaller than the sum of its proper divisors (211807614860).

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

168468368500 is a wasteful number, since it uses less digits than its factorization.

168468368500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562 (or 13550 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 168468368500 in words is "one hundred sixty-eight billion, four hundred sixty-eight million, three hundred sixty-eight thousand, five hundred".