What is 8 to the power of 16 ?What is 8 to the power of 16 ?Solution: 816 = 281474976710656simplify this: All that is needed is to multiply it out:8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 = 281474976710656 So, 8 to the power of 16 is 281474976710656.