2816668905 has 16 divisors (see below), whose sum is σ = 4511160960. Its totient is φ = 1500726528.

The previous prime is 2816668901. The next prime is 2816668931. The reversal of 2816668905 is 5098666182.

It is not a de Polignac number, because 2816668905 - 2² = 2816668901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2816668901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77917 + ... + 108186.

It is an arithmetic number, because the mean of its divisors is an integer number (281947560).

Almost surely, 2^2816668905 is an apocalyptic number.

It is an amenable number.

2816668905 is a deficient number, since it is larger than the sum of its proper divisors (1694492055).

2816668905 is a wasteful number, since it uses less digits than its factorization.

2816668905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187120.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 2816668905 is about 53072.2988478924. The cubic root of 2816668905 is about 1412.2511371938.

The spelling of 2816668905 in words is "two billion, eight hundred sixteen million, six hundred sixty-eight thousand, nine hundred five".