2066643308 has 12 divisors (see below), whose sum is σ = 3621408672. Its totient is φ = 1031955120.

The previous prime is 2066643289. The next prime is 2066643347. The reversal of 2066643308 is 8033466602.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 338228 + ... + 344283.

It is an arithmetic number, because the mean of its divisors is an integer number (301784056).

Almost surely, 2^2066643308 is an apocalyptic number.

It is an amenable number.

2066643308 is a deficient number, since it is larger than the sum of its proper divisors (1554765364).

2066643308 is a wasteful number, since it uses less digits than its factorization.

2066643308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683272 (or 683270 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2066643308 is about 45460.3487448128. The cubic root of 2066643308 is about 1273.7626458842.

The spelling of 2066643308 in words is "two billion, sixty-six million, six hundred forty-three thousand, three hundred eight".