It is a cyclic number.
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 6552165657661.
It is a congruent number.
Almost surely, 26552165657661 is an apocalyptic number.
It is an amenable number.
6552165657661 is a wasteful number, since it uses less digits than its factorization.
6552165657661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264196.
The spelling of 6552165657661 in words is "six trillion, five hundred fifty-two billion, one hundred sixty-five million, six hundred fifty-seven thousand, six hundred sixty-one".