12664341016 has 32 divisors (see below), whose sum is σ = 25001636400. Its totient is φ = 5997404160.

The previous prime is 12664340993. The next prime is 12664341017. The reversal of 12664341016 is 61014346621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664341017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819376 + ... + 834688.

Almost surely, 2^12664341016 is an apocalyptic number.

It is an amenable number.

12664341016 is a deficient number, since it is larger than the sum of its proper divisors (12337295384).

12664341016 is a wasteful number, since it uses less digits than its factorization.

12664341016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779 (or 20775 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 12664341016 its reverse (61014346621), we get a palindrome (73678687637).

The spelling of 12664341016 in words is "twelve billion, six hundred sixty-four million, three hundred forty-one thousand, sixteen".