19029991868160 has 1152 divisors, whose sum is σ = 75522065203200. Its totient is φ = 3976709603328.

The previous prime is 19029991868123. The next prime is 19029991868183. The reversal of 19029991868160 is 6186819992091.

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, 19679411997 + ... + 19679412963.

Almost surely, 2^{19029991868160} is an apocalyptic number.

19029991868160 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 19029991868160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37761032601600).

19029991868160 is an abundant number, since it is smaller than the sum of its proper divisors (56492073335040).

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

19029991868160 is a wasteful number, since it uses less digits than its factorization.

19029991868160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 69.

The spelling of 19029991868160 in words is "nineteen trillion, twenty-nine billion, nine hundred ninety-one million, eight hundred sixty-eight thousand, one hundred sixty".