168513802996 has 288 divisors, whose sum is σ = 400116689280. Its totient is φ = 61312204800.

The previous prime is 168513802987. The next prime is 168513803041. The reversal of 168513802996 is 699208315861.

168513802996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168513802996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 219133300 + ... + 219134068.

It is an arithmetic number, because the mean of its divisors is an integer number (1389294060).

Almost surely, 2^168513802996 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 168513802996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200058344640).

168513802996 is an abundant number, since it is smaller than the sum of its proper divisors (231602886284).

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

168513802996 is a wasteful number, since it uses less digits than its factorization.

168513802996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 168513802996 in words is "one hundred sixty-eight billion, five hundred thirteen million, eight hundred two thousand, nine hundred ninety-six".