663327611 has 4 divisors (see below), whose sum is σ = 663799800. Its totient is φ = 662855424.

The previous prime is 663327593. The next prime is 663327631. The reversal of 663327611 is 116723366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116723366 = 2 ⋅58361683.

It is a cyclic number.

It is not a de Polignac number, because 663327611 - 2¹⁴ = 663311227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663327631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233981 + ... + 236798.

It is an arithmetic number, because the mean of its divisors is an integer number (165949950).

Almost surely, 2^663327611 is an apocalyptic number.

663327611 is a deficient number, since it is larger than the sum of its proper divisors (472189).

663327611 is a wasteful number, since it uses less digits than its factorization.

663327611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472188.

The product of its digits is 27216, while the sum is 35.

The square root of 663327611 is about 25755.1472719532. The cubic root of 663327611 is about 872.1195560866.

The spelling of 663327611 in words is "six hundred sixty-three million, three hundred twenty-seven thousand, six hundred eleven".