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1644 centimeters is equal to 646.85 inches.

To put this measurement into perspective:
– A standard basketball hoop is approximately 120 inches in height, making 1644 centimeters nearly 5 and a half times taller.
– The average adult male’s height is around 66 inches, so 1644 centimeters is almost 10 times taller.
– The Leaning Tower of Pisa in Italy stands at 183.27 inches, making 1644 centimeters nearly 3 and a half times taller.