12660617331633 has 8 divisors (see below), whose sum is σ = 16880840002048. Its totient is φ = 8440403107824.

The previous prime is 12660617331497. The next prime is 12660617331671. The reversal of 12660617331633 is 33613371606621.

It is a happy number.

12660617331633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12660617331633 - 2⁹ = 12660617331121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660617331233) 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, 3568560 + ... + 6168942.

It is an arithmetic number, because the mean of its divisors is an integer number (2110105000256).

Almost surely, 2^{12660617331633} is an apocalyptic number.

It is an amenable number.

12660617331633 is a deficient number, since it is larger than the sum of its proper divisors (4220222670415).

12660617331633 is a wasteful number, since it uses less digits than its factorization.

12660617331633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223303.

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 12660617331633 in words is "twelve trillion, six hundred sixty billion, six hundred seventeen million, three hundred thirty-one thousand, six hundred thirty-three".