66189141611 has 2 divisors, whose sum is σ = 66189141612. Its totient is φ = 66189141610.

The previous prime is 66189141547. The next prime is 66189141617. The reversal of 66189141611 is 11614198166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66189141611 - 2⁶ = 66189141547 is a prime.

It is not a weakly prime, because it can be changed into another prime (66189141617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33094570805 + 33094570806.

It is an arithmetic number, because the mean of its divisors is an integer number (33094570806).

Almost surely, 2^66189141611 is an apocalyptic number.

66189141611 is a deficient number, since it is larger than the sum of its proper divisors (1).

66189141611 is an equidigital number, since it uses as much as digits as its factorization.

66189141611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The spelling of 66189141611 in words is "sixty-six billion, one hundred eighty-nine million, one hundred forty-one thousand, six hundred eleven".