Perfect Square
66536913270748407601 is a perfect square (8157016199 × 8157016199)
66536913270748407601 is a perfect square (8157016199 × 8157016199)
66536913270748407601 is odd
Previous odd number is 66536913270748407599
Next odd number is 66536913270748407603
111001101101100010100110100001011110010001111011101110011100110001
294569616021615764166032819110515009053610741844810434502801