12663660035 has 64 divisors (see below), whose sum is σ = 16971171840. Its totient is φ = 9014353920.

The previous prime is 12663660013. The next prime is 12663660101. The reversal of 12663660035 is 53006636621.

It is a happy number.

It is not a de Polignac number, because 12663660035 - 2⁸ = 12663659779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66301790 + ... + 66301980.

It is an arithmetic number, because the mean of its divisors is an integer number (265174560).

Almost surely, 2^12663660035 is an apocalyptic number.

12663660035 is a deficient number, since it is larger than the sum of its proper divisors (4307511805).

12663660035 is a wasteful number, since it uses less digits than its factorization.

12663660035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 12663660035 in words is "twelve billion, six hundred sixty-three million, six hundred sixty thousand, thirty-five".