2840993666 has 16 divisors (see below), whose sum is σ = 4871011200. Its totient is φ = 1217384640.

The previous prime is 2840993647. The next prime is 2840993669. The reversal of 2840993666 is 6663990482.

It is not an unprimeable number, because it can be changed into a prime (2840993669) 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, 124571 + ... + 145601.

It is an arithmetic number, because the mean of its divisors is an integer number (304438200).

Almost surely, 2^2840993666 is an apocalyptic number.

2840993666 is a deficient number, since it is larger than the sum of its proper divisors (2030017534).

2840993666 is a wasteful number, since it uses less digits than its factorization.

2840993666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30689.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 2840993666 is about 53300.9724676764. The cubic root of 2840993666 is about 1416.3048917473.

The spelling of 2840993666 in words is "two billion, eight hundred forty million, nine hundred ninety-three thousand, six hundred sixty-six".