It is a happy number.
It is a congruent number.
It is an unprimeable number.
In principle, a polygon with 8590065664 sides can be constructed with ruler and compass.
Almost surely, 28590065664 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 8590065664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8590163967).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8590065664 is an frugal number, since it uses more digits than its factorization.
8590065664 is an evil number, because the sum of its binary digits is even.
The square root of 8590065664 is about 92682.6071277670. The cubic root of 8590065664 is about 2048.0104166137.
The spelling of 8590065664 in words is "eight billion, five hundred ninety million, sixty-five thousand, six hundred sixty-four".