It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2660143 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
22660143 is an apocalyptic number.
2660143 is a wasteful number, since it uses less digits than its factorization.
2660143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121.
The square root of 2660143 is about 1630.9944819036. The cubic root of 2660143 is about 138.5590810856.
The spelling of 2660143 in words is "two million, six hundred sixty thousand, one hundred forty-three".