you spelled it correctly in the question
sixteen thousandths.
Seven and sixteen thousandths.
Sixteen thousandths.
seven and sixteen thousandths
Sixteen and seventy-eight thousandths.
0.016 = sixteen thousandths.
eight hundred sixteen thousandths
Nine hundred sixteen thousandths.
Three and nine hundred sixteen thousandths.
Two and sixteen thousandths
Seven thousand, sixteen hundred-thousandths.
Sixteen ten-thousandths percent.