66111060604151 has 2 divisors, whose sum is σ = 66111060604152. Its totient is φ = 66111060604150.

The previous prime is 66111060604133. The next prime is 66111060604157. The reversal of 66111060604151 is 15140606011166.

It is a happy number.

66111060604151 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 not a de Polignac number, because 66111060604151 - 2⁶ = 66111060604087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66111060604157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33055530302075 + 33055530302076.

It is an arithmetic number, because the mean of its divisors is an integer number (33055530302076).

Almost surely, 2^{66111060604151} is an apocalyptic number.

66111060604151 is a deficient number, since it is larger than the sum of its proper divisors (1).

66111060604151 is an equidigital number, since it uses as much as digits as its factorization.

66111060604151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 66111060604151 in words is "sixty-six trillion, one hundred eleven billion, sixty million, six hundred four thousand, one hundred fifty-one".