66595164511 has 2 divisors, whose sum is σ = 66595164512. Its totient is φ = 66595164510.

The previous prime is 66595164487. The next prime is 66595164529. The reversal of 66595164511 is 11546159566.

66595164511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66595164511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66595164541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33297582255 + 33297582256.

It is an arithmetic number, because the mean of its divisors is an integer number (33297582256).

Almost surely, 2^66595164511 is an apocalyptic number.

66595164511 is a deficient number, since it is larger than the sum of its proper divisors (1).

66595164511 is an equidigital number, since it uses as much as digits as its factorization.

66595164511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The spelling of 66595164511 in words is "sixty-six billion, five hundred ninety-five million, one hundred sixty-four thousand, five hundred eleven".