I'm Thinking of a Number - Can You Guess?

• It's a four-digit whole number
• Its hundreds digit and its tens digit are the same
• Its thousands digit and its one digit are the same
• It is an even number
• The sum of its hundreds digit and its tens digit is 16
• The sum of all of its digits is 28
• All of its digits are even
• It is great than 6000
• Its hundred digit is 8
• Its one digit is 6

Can you guess my number???