66622032011 has 2 divisors, whose sum is σ = 66622032012. Its totient is φ = 66622032010.

The previous prime is 66622031981. The next prime is 66622032067. The reversal of 66622032011 is 11023022666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66622032011 - 2⁶ = 66622031947 is a prime.

It is not a weakly prime, because it can be changed into another prime (66622032511) by changing a digit.

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 as a sum of consecutive naturals, namely, 33311016005 + 33311016006.

It is an arithmetic number, because the mean of its divisors is an integer number (33311016006).

Almost surely, 2^66622032011 is an apocalyptic number.

66622032011 is a deficient number, since it is larger than the sum of its proper divisors (1).

66622032011 is an equidigital number, since it uses as much as digits as its factorization.

66622032011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 66622032011 its reverse (11023022666), we get a palindrome (77645054677).

The spelling of 66622032011 in words is "sixty-six billion, six hundred twenty-two million, thirty-two thousand, eleven".