Source: USA Government Data
Comment: Includes Intragovernmental Holdings and allowance of one day delay in banks reporting to treasury
You could wrap $1 bills around the Earth 68,438 times with the debt amount!
If you lay $1 bills on top of each other they would make a pile 1,920,023 km, or 1,193,047 miles high!
That's equivalent to 4.99 trips to the Moon!