This number is a composite.
The product of its digits (3*3*6*3 = 162) is exactly 2 times the sum of its prime factors (3+19+59 = 81). [Kazgan]
The product of its digits (3*3*6*3 = 162) is exactly 2 times the sum of its prime factors (3+19+59 = 81). [Kazgan]