What is 4 to the power of 18 ?What is 4 to the power of 18 ?Solution: 418 = 68719476736simplify this: All that is needed is to multiply it out:4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 = 68719476736 So, 4 to the power of 18 is 68719476736.