168199493268828 has 384 divisors, whose sum is σ = 469701148672000. Its totient is φ = 46814742374400.

The previous prime is 168199493268809. The next prime is 168199493268871. The reversal of 168199493268828 is 828862394991861.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10440032493 + ... + 10440048603.

Almost surely, 2^{168199493268828} 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 168199493268828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234850574336000).

168199493268828 is an abundant number, since it is smaller than the sum of its proper divisors (301501655403172).

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

168199493268828 is a wasteful number, since it uses less digits than its factorization.

168199493268828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16646 (or 16630 counting only the distinct ones).

The product of its digits is 5159780352, while the sum is 84.

The spelling of 168199493268828 in words is "one hundred sixty-eight trillion, one hundred ninety-nine billion, four hundred ninety-three million, two hundred sixty-eight thousand, eight hundred twenty-eight".