2666044806 has 32 divisors (see below), whose sum is σ = 5512391808. Its totient is φ = 859057920.

The previous prime is 2666044723. The next prime is 2666044819. The reversal of 2666044806 is 6084406662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28240 + ... + 78291.

It is an arithmetic number, because the mean of its divisors is an integer number (172262244).

Almost surely, 2^2666044806 is an apocalyptic number.

2666044806 is an abundant number, since it is smaller than the sum of its proper divisors (2846347002).

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

2666044806 is a wasteful number, since it uses less digits than its factorization.

2666044806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106676.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 2666044806 is about 51633.7564583481. The cubic root of 2666044806 is about 1386.6147467950.

The spelling of 2666044806 in words is "two billion, six hundred sixty-six million, forty-four thousand, eight hundred six".