No, not impossible!!!. In fact very, very easy!. However, I don't think you understand the meaning or the size of this number!!. 5^5x66x6x7x8x7x5x2x10 to the 100,000,000,000 power:
=4.03977964375.... x 10^1,068,583,127,462. OK kiddo, what good is it for??.