2683709666 has 16 divisors (see below), whose sum is σ = 4395267360. Its totient is φ = 1218828480.

The previous prime is 2683709657. The next prime is 2683709669. The reversal of 2683709666 is 6669073862.

It is not an unprimeable number, because it can be changed into a prime (2683709669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25271 + ... + 77498.

It is an arithmetic number, because the mean of its divisors is an integer number (274704210).

Almost surely, 2^2683709666 is an apocalyptic number.

2683709666 is a deficient number, since it is larger than the sum of its proper divisors (1711557694).

2683709666 is a wasteful number, since it uses less digits than its factorization.

2683709666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103969.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 2683709666 is about 51804.5332572353. The cubic root of 2683709666 is about 1389.6705162504.

The spelling of 2683709666 in words is "two billion, six hundred eighty-three million, seven hundred nine thousand, six hundred sixty-six".