It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
Almost surely, 21919133216 is an apocalyptic number.
1919133216 is a gapful number since it is divisible by the number (16) 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 1919133216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3836911680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1919133216 is a wasteful number, since it uses less digits than its factorization.
1919133216 is an odious number, because the sum of its binary digits is odd.
The square root of 1919133216 is about 43807.9127099203. The cubic root of 1919133216 is about 1242.7059395469.
The spelling of 1919133216 in words is "one billion, nine hundred nineteen million, one hundred thirty-three thousand, two hundred sixteen".