I have 0.016BTC.
How can I multiply it and make profits?
This is too tiny amount for trading with it. Even if you make continuous wins in your trading predictions, the profits will be less. There are two ways to multiply it, either try trading or gambling. If you come across a life changing opportunity, then probably you can make a big out of it, but not as a normal scenario. Instead try to work for bitcoin, join a signature campaign to earn more bitcoin hold for long term.