Convert CREATEDTIME to readable format

Convert CREATEDTIME to readable format

I am trying to run a custom report from our MS SQL Server and the dates are important. All of our ticket's CREATEDTIME show up as "1169135575865"
 
I have the SQL statement below that gives me any ticket created between 1-1-2007 and 3-21-2010 which is working perfectly. Now I need a method to display the CREATEDTIME in a readable format such as 3/31/2010. Ultimately I want to group tickets based on CREATEDTIME into each month.
 
WHERE DATEADD(s,WorkOrder.CREATEDTIME/1000,'01-01-1970') >= convert(varchar,'2007-01-01',21) and DATEADD(s,WorkOrder.CREATEDTIME/1000,'01-01-1970') <= convert(varchar,'2010-03-31',21)
 
Thank you!
 

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