It is a self number, because there is not a number n which added to its sum of digits gives 659129904.
Almost surely, 2659129904 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 659129904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930509268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
659129904 is a wasteful number, since it uses less digits than its factorization.
659129904 is an evil number, because the sum of its binary digits is even.
The square root of 659129904 is about 25673.5253520042. The cubic root of 659129904 is about 870.2759964613.
The spelling of 659129904 in words is "six hundred fifty-nine million, one hundred twenty-nine thousand, nine hundred four".