66670330039 has 2 divisors, whose sum is σ = 66670330040. Its totient is φ = 66670330038.

The previous prime is 66670330033. The next prime is 66670330049. The reversal of 66670330039 is 93003307666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66670330039 - 2³ = 66670330031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66670329977 and 66670330004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66670330031) 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, 33335165019 + 33335165020.

It is an arithmetic number, because the mean of its divisors is an integer number (33335165020).

Almost surely, 2^66670330039 is an apocalyptic number.

66670330039 is a deficient number, since it is larger than the sum of its proper divisors (1).

66670330039 is an equidigital number, since it uses as much as digits as its factorization.

66670330039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 43.

The spelling of 66670330039 in words is "sixty-six billion, six hundred seventy million, three hundred thirty thousand, thirty-nine".