It is a congruent number.
Almost surely, 211660604 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 11660604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14448000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11660604 is a wasteful number, since it uses less digits than its factorization.
11660604 is an evil number, because the sum of its binary digits is even.
The square root of 11660604 is about 3414.7626564668. The cubic root of 11660604 is about 226.7637771127.
The spelling of 11660604 in words is "eleven million, six hundred sixty thousand, six hundred four".