60640233191 has 2 divisors, whose sum is σ = 60640233192. Its totient is φ = 60640233190.

The previous prime is 60640233151. The next prime is 60640233211. The reversal of 60640233191 is 19133204606.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60640233191 - 2¹⁸ = 60639971047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60640233131) 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, 30320116595 + 30320116596.

It is an arithmetic number, because the mean of its divisors is an integer number (30320116596).

Almost surely, 2^60640233191 is an apocalyptic number.

60640233191 is a deficient number, since it is larger than the sum of its proper divisors (1).

60640233191 is an equidigital number, since it uses as much as digits as its factorization.

60640233191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 60640233191 its reverse (19133204606), we get a palindrome (79773437797).

The spelling of 60640233191 in words is "sixty billion, six hundred forty million, two hundred thirty-three thousand, one hundred ninety-one".