8666084838912 has 480 divisors, whose sum is σ = 24624272674848. Its totient is φ = 2707546963968.

The previous prime is 8666084838893. The next prime is 8666084838913. The reversal of 8666084838912 is 2198384806668.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666084838913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11447932038 + ... + 11447932794.

Almost surely, 2^{8666084838912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8666084838912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12312136337424).

8666084838912 is an abundant number, since it is smaller than the sum of its proper divisors (15958187835936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8666084838912 is a wasteful number, since it uses less digits than its factorization.

8666084838912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 69.

The spelling of 8666084838912 in words is "eight trillion, six hundred sixty-six billion, eighty-four million, eight hundred thirty-eight thousand, nine hundred twelve".