2004318666 has 192 divisors, whose sum is σ = 5503500288. Its totient is φ = 514128384.

The previous prime is 2004318653. The next prime is 2004318691. The reversal of 2004318666 is 6668134002.

It is a self number, because there is not a number n which added to its sum of digits gives 2004318666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4328751 + ... + 4329213.

It is an arithmetic number, because the mean of its divisors is an integer number (28664064).

Almost surely, 2^2004318666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004318666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751750144).

2004318666 is an abundant number, since it is smaller than the sum of its proper divisors (3499181622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004318666 is a wasteful number, since it uses less digits than its factorization.

2004318666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2004318666 is about 44769.6176664487. The cubic root of 2004318666 is about 1260.8272609705.

The spelling of 2004318666 in words is "two billion, four million, three hundred eighteen thousand, six hundred sixty-six".