6663822611 has 2 divisors, whose sum is σ = 6663822612. Its totient is φ = 6663822610.

The previous prime is 6663822563. The next prime is 6663822653. The reversal of 6663822611 is 1162283666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6663822611 - 2⁶ = 6663822547 is a prime.

It is not a weakly prime, because it can be changed into another prime (6663842611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331911305 + 3331911306.

It is an arithmetic number, because the mean of its divisors is an integer number (3331911306).

Almost surely, 2^6663822611 is an apocalyptic number.

6663822611 is a deficient number, since it is larger than the sum of its proper divisors (1).

6663822611 is an equidigital number, since it uses as much as digits as its factorization.

6663822611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 6663822611 is about 81632.2400219423. The cubic root of 6663822611 is about 1881.8043838094.

The spelling of 6663822611 in words is "six billion, six hundred sixty-three million, eight hundred twenty-two thousand, six hundred eleven".