66110067060013 has 2 divisors, whose sum is σ = 66110067060014. Its totient is φ = 66110067060012.

The previous prime is 66110067059831. The next prime is 66110067060017. The reversal of 66110067060013 is 31006076001166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42131289503044 + 23978777556969 = 6490862^2 + 4896813^2 .

It is a cyclic number.

It is not a de Polignac number, because 66110067060013 - 2³³ = 66101477125421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66110067060017) 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, 33055033530006 + 33055033530007.

It is an arithmetic number, because the mean of its divisors is an integer number (33055033530007).

Almost surely, 2^{66110067060013} is an apocalyptic number.

It is an amenable number.

66110067060013 is a deficient number, since it is larger than the sum of its proper divisors (1).

66110067060013 is an equidigital number, since it uses as much as digits as its factorization.

66110067060013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 66110067060013 in words is "sixty-six trillion, one hundred ten billion, sixty-seven million, sixty thousand, thirteen".