8444662616133 has 16 divisors (see below), whose sum is σ = 12575433111040. Its totient is φ = 5600605254912.

The previous prime is 8444662616129. The next prime is 8444662616153. The reversal of 8444662616133 is 3316162664448.

It is a happy number.

8444662616133 is a `hidden beast` number, since 8 + 4 + 4 + 4 + 6 + 6 + 2 + 616 + 13 + 3 = 666.

It is not a de Polignac number, because 8444662616133 - 2² = 8444662616129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8444662616133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444662616123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810267541 + ... + 810277962.

It is an arithmetic number, because the mean of its divisors is an integer number (785964569440).

Almost surely, 2^{8444662616133} is an apocalyptic number.

It is an amenable number.

8444662616133 is a deficient number, since it is larger than the sum of its proper divisors (4130770494907).

8444662616133 is a wasteful number, since it uses less digits than its factorization.

8444662616133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620545705 (or 1620545699 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The spelling of 8444662616133 in words is "eight trillion, four hundred forty-four billion, six hundred sixty-two million, six hundred sixteen thousand, one hundred thirty-three".