663340011 has 8 divisors (see below), whose sum is σ = 895649280. Its totient is φ = 436628712.

The previous prime is 663340003. The next prime is 663340031. The reversal of 663340011 is 110043366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 663340011 - 2³ = 663340003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663340031) 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 7 ways as a sum of consecutive naturals, for example, 1399215 + ... + 1399688.

It is an arithmetic number, because the mean of its divisors is an integer number (111956160).

Almost surely, 2^663340011 is an apocalyptic number.

663340011 is a deficient number, since it is larger than the sum of its proper divisors (232309269).

663340011 is a wasteful number, since it uses less digits than its factorization.

663340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798985.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 663340011 is about 25755.3879994070. The cubic root of 663340011 is about 872.1249904124.

Adding to 663340011 its reverse (110043366), we get a palindrome (773383377).

The spelling of 663340011 in words is "six hundred sixty-three million, three hundred forty thousand, eleven".