11663320334 has 8 divisors (see below), whose sum is σ = 17519315040. Its totient is φ = 5823548656.

The previous prime is 11663320321. The next prime is 11663320337. The reversal of 11663320334 is 43302336611.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11663320334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663320337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053959 + ... + 4056834.

It is an arithmetic number, because the mean of its divisors is an integer number (2189914380).

Almost surely, 2^11663320334 is an apocalyptic number.

11663320334 is a deficient number, since it is larger than the sum of its proper divisors (5855994706).

11663320334 is an equidigital number, since it uses as much as digits as its factorization.

11663320334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111514.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 11663320334 its reverse (43302336611), we get a palindrome (54965656945).

The spelling of 11663320334 in words is "eleven billion, six hundred sixty-three million, three hundred twenty thousand, three hundred thirty-four".