Perfect Square
66591936697175615589995631925193877496072087286689 is a perfect square (8160388268775917477790383 × 8160388268775917477790383)
66591936697175615589995631925193877496072087286689 is a perfect square (8160388268775917477790383 × 8160388268775917477790383)
66591936697175615589995631925193877496072087286689 is odd
Previous odd number is 66591936697175615589995631925193877496072087286687
Next odd number is 66591936697175615589995631925193877496072087286691
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