2668306306 has 32 divisors (see below), whose sum is σ = 4303316160. Its totient is φ = 1236995136.

The previous prime is 2668306301. The next prime is 2668306321. The reversal of 2668306306 is 6036038662.

It is a happy number.

2668306306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2668306301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939120 + ... + 941956.

It is an arithmetic number, because the mean of its divisors is an integer number (134478630).

Almost surely, 2^2668306306 is an apocalyptic number.

2668306306 is a deficient number, since it is larger than the sum of its proper divisors (1635009854).

2668306306 is a wasteful number, since it uses less digits than its factorization.

2668306306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2668306306 is about 51655.6512494035. The cubic root of 2668306306 is about 1387.0067060742.

The spelling of 2668306306 in words is "two billion, six hundred sixty-eight million, three hundred six thousand, three hundred six".