Over $17 trillion being invested in U.S., POTUS said today, calling it one of the great[est] numbers he's ever heard. 
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As Trump wrapped up his presser on the IVF developments today, he said they were going to go back to work, commenting on the economy in particular, he said:

"...One of the great numbers that I've ever heard, think of it, over $17 trillion being invested in our country..." 

https://m.youtube.com/watch?v=pn-iRng1zG4 (starting at 56:30, "$17T" at 57:07).

Hmmmmm. 17 you say. Again.