66066066000019 has 2 divisors, whose sum is σ = 66066066000020. Its totient is φ = 66066066000018.

The previous prime is 66066066000017. The next prime is 66066066000059. The reversal of 66066066000019 is 91000066066066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66066066000019 - 2¹ = 66066066000017 is a prime.

It is a super-2 number, since 2×66066066000019² (a number of 28 digits) contains 22 as substring.

Together with 66066066000017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66066066000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33033033000009 + 33033033000010.

It is an arithmetic number, because the mean of its divisors is an integer number (33033033000010).

Almost surely, 2^{66066066000019} is an apocalyptic number.

66066066000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

66066066000019 is an equidigital number, since it uses as much as digits as its factorization.

66066066000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 66066066000019 in words is "sixty-six trillion, sixty-six billion, sixty-six million, nineteen", and thus it is an aban number and an uban number.