Great quant score!
My recommendation is that you if you're willing to fork over the cash, you may benefit from studying and taking that GRE one more time. For the retake, you could focus on the verbal and see how it goes (aiming for 164+ is a solid goal). If you get a 5+ for AW, that is also a bonus. Your SOP and Writing Samples (if required) will be what communicate your writing ability to the department, however.
Nevertheless, great GRE score! You really don't have to take a retake--but if you have the opportunity to improve and money is not a major concern, I'd go for it. One thing that could be potentially more beneficial than a retake would be to pursue an independent research opportunity or dedicate time toward mastering a research language (or begin studying another one if you are already multilingual).
Also, do you have time to study abroad should the funds be provided? This is a great pathway toward maximizing your CV as well.