I have 2 questions idk what kind of amp to get i know i need a 5 channel one tho but not how many watts?

so plzzz help the total RMS including all my speakers and subwoofers is 650RMS WATts so know is what kind of amp do i need so help it would really make a diffrence so i need to know how many watt amp i need .... i have 2 pairs of 4x6 boss 100RMS per speaker and 2 12" q power 250RMS per pair 2nd question just to make sure i have 2 12" q power dual silver series subwoofers and they told me the rms is 250 for both is that right if it is plzz tell me ok