168973809200 has 120 divisors (see below), whose sum is σ = 464187909120. Its totient is φ = 57904646400.

The previous prime is 168973809143. The next prime is 168973809227. The reversal of 168973809200 is 2908379861.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5952641 + ... + 5980959.

It is an arithmetic number, because the mean of its divisors is an integer number (3868232576).

Almost surely, 2^168973809200 is an apocalyptic number.

168973809200 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 168973809200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232093954560).

168973809200 is an abundant number, since it is smaller than the sum of its proper divisors (295214099920).

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

168973809200 is a wasteful number, since it uses less digits than its factorization.

168973809200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475 (or 30464 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 168973809200 in words is "one hundred sixty-eight billion, nine hundred seventy-three million, eight hundred nine thousand, two hundred".