12663046064 has 20 divisors (see below), whose sum is σ = 25056667104. Its totient is φ = 6196809408.

The previous prime is 12663046063. The next prime is 12663046079. The reversal of 12663046064 is 46064036621.

It is a happy number.

It is a super-3 number, since 3×12663046064³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12663046061) 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, 8418827 + ... + 8420330.

Almost surely, 2^12663046064 is an apocalyptic number.

It is an amenable number.

12663046064 is a deficient number, since it is larger than the sum of its proper divisors (12393621040).

12663046064 is a wasteful number, since it uses less digits than its factorization.

12663046064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16839212 (or 16839206 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 12663046064 in words is "twelve billion, six hundred sixty-three million, forty-six thousand, sixty-four".