116640 is a `hidden beast` number, since 1 + 1 + 664 + 0 = 666.
116640 is nontrivially palindromic in base 11.
It is an unprimeable number.
116640 is a Friedman number, since it can be written as (10*6^6*1)/4, using all its digits and the basic arithmetic operations.
2116640 is an apocalyptic number.
116640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 116640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206577).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
116640 is an frugal number, since it uses more digits than its factorization.
116640 is an evil number, because the sum of its binary digits is even.
The square root of 116640 is about 341.5259872982. The cubic root of 116640 is about 48.8595170987.
The spelling of 116640 in words is "one hundred sixteen thousand, six hundred forty".