If it's China, you have to change $6,543.8+00,000 into RMB, and each person's annual quota in the safe is only $50,000, which means that you can only exchange $50,000 at most in 654.38+0 years. If you want to change $ 654.38+0 million, it will take 20 years. You can find 20 people to change money for you. If 20 people exchange money in the same bank, the people from the State Administration of Foreign Exchange will come to you and ask about the source of funds in detail.
In the United States, there may be all kinds of laws and regulations. If the laws in each state are different, I can't guarantee that you can.