2805666682 has 24 divisors (see below), whose sum is σ = 5208156576. Its totient is φ = 1109933136.

The previous prime is 2805666667. The next prime is 2805666697. The reversal of 2805666682 is 2866665082.

It is an interprime number because it is at equal distance from previous prime (2805666667) and next prime (2805666697).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590548 + ... + 595279.

It is an arithmetic number, because the mean of its divisors is an integer number (217006524).

Almost surely, 2^2805666682 is an apocalyptic number.

2805666682 is a deficient number, since it is larger than the sum of its proper divisors (2402489894).

2805666682 is a wasteful number, since it uses less digits than its factorization.

2805666682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185862 (or 1185849 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 2805666682 is about 52968.5442692170. The cubic root of 2805666682 is about 1410.4099342917.

The spelling of 2805666682 in words is "two billion, eight hundred five million, six hundred sixty-six thousand, six hundred eighty-two".