2805454666 has 32 divisors (see below), whose sum is σ = 4908425472. Its totient is φ = 1177787520.

The previous prime is 2805454607. The next prime is 2805454667. The reversal of 2805454666 is 6664545082.

It is not an unprimeable number, because it can be changed into a prime (2805454667) 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, 147070 + ... + 165046.

It is an arithmetic number, because the mean of its divisors is an integer number (153388296).

Almost surely, 2^2805454666 is an apocalyptic number.

2805454666 is a deficient number, since it is larger than the sum of its proper divisors (2102970806).

2805454666 is a wasteful number, since it uses less digits than its factorization.

2805454666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The square root of 2805454666 is about 52966.5428926601. The cubic root of 2805454666 is about 1410.3744065498.

The spelling of 2805454666 in words is "two billion, eight hundred five million, four hundred fifty-four thousand, six hundred sixty-six".