Your age?

[Rylund]

Around 568,024,668,000 milliseconds old.

Gotcha again

548,899,200,000,000,067,632,087,653,416,960 Yoctoseconds
or 548,899,200,000,000,022,596,091,379,712 Zeptoseconds (Hence the clan name :o)
or 548,899,199,999,999,981,914,161,152 Attoseconds
or 548,899,199,999,999,970,639,872 Femtoseconds
or 548.899.200.000.000.000.000 Picoseconds
or 548.899.200.000.000.000 Nanoseconds
or 548.899.200.000.000 Microseconds
or 548.899.200.000 Milliseconds
or 548.899.200 Seconds
or 9.148.320 Minutes 
or 152.472 hours (I used 3700 of those on FL)
or 6353 days
or 907 weeks and 4 days

We could also keep it simple, 17 years old.