I do think it rather depends upon your standard of living and age when you win.It would not be possible to keep that size of win secret...no ifs, buts or maybes.
money can't buy happiness
I do think it rather depends upon your standard of living and age when you win.
If you're already in a position where you can't eat or drink more, have one or more houses paid for, holidays when you want, even a win of this size need not be that obvious to those who have a passing acquaintance and presumably your nearest and dearest would already be in on the secret
Mine would be buy a new camera, a big, fast 4x4, and drive the Pan-American Highway. Then possibly enter the Dakar
Why?? With that sort of capital, tax would not be an issue. You could be very rash with your cash, and still not get near to spending 160 million quid (and 3ish per cent interest) if you lived to 200...