19992513159168 has 448 divisors, whose sum is σ = 60219147755520. Its totient is φ = 5844683980800.

The previous prime is 19992513159083. The next prime is 19992513159169. The reversal of 19992513159168 is 86195131529991.

It is not an unprimeable number, because it can be changed into a prime (19992513159169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2824196653 + ... + 2824203731.

Almost surely, 2^{19992513159168} 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 19992513159168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30109573877760).

19992513159168 is an abundant number, since it is smaller than the sum of its proper divisors (40226634596352).

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

19992513159168 is a wasteful number, since it uses less digits than its factorization.

19992513159168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487 (or 7463 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 69.

The spelling of 19992513159168 in words is "nineteen trillion, nine hundred ninety-two billion, five hundred thirteen million, one hundred fifty-nine thousand, one hundred sixty-eight".