$16 trillion!
To give you an idea of how much 16 trillion is, I cant give you an idea of how much 16 trillion is.
Imagine a sugar cube, one cm on a side. It comes in a cubic box 10cm on a side, 1000 in a box.
Stack the boxes up in a cube, 10x10x10, or 100cm (1 meter) on a side, and you've got a million sugar cubes.
A cube 10 meters on a side and you've got a billion sugar cubes.
A cube 100 meters on a side and you've got a trillion sugar cubes.
A block 400 meters on a side and 100 meters high and you've got 16 trillion.