2004612666 has 32 divisors (see below), whose sum is σ = 4584083328. Its totient is φ = 572482560.

The previous prime is 2004612641. The next prime is 2004612667. The reversal of 2004612666 is 6662164002.

It is not an unprimeable number, because it can be changed into a prime (2004612667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92746 + ... + 112298.

It is an arithmetic number, because the mean of its divisors is an integer number (143252604).

Almost surely, 2^2004612666 is an apocalyptic number.

2004612666 is an abundant number, since it is smaller than the sum of its proper divisors (2579470662).

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

2004612666 is a wasteful number, since it uses less digits than its factorization.

2004612666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2004612666 is about 44772.9010228285. The cubic root of 2004612666 is about 1260.8889053750. Note that the first 3 decimals are identical.

Adding to 2004612666 its reverse (6662164002), we get a palindrome (8666776668).

The spelling of 2004612666 in words is "two billion, four million, six hundred twelve thousand, six hundred sixty-six".