66213142301507 has 2 divisors, whose sum is σ = 66213142301508. Its totient is φ = 66213142301506.

The previous prime is 66213142301459. The next prime is 66213142301533. The reversal of 66213142301507 is 70510324131266.

66213142301507 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 66213142301507 - 2³⁶ = 66144422824771 is a prime.

It is not a weakly prime, because it can be changed into another prime (66213142301567) 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, 33106571150753 + 33106571150754.

It is an arithmetic number, because the mean of its divisors is an integer number (33106571150754).

Almost surely, 2^{66213142301507} is an apocalyptic number.

66213142301507 is a deficient number, since it is larger than the sum of its proper divisors (1).

66213142301507 is an equidigital number, since it uses as much as digits as its factorization.

66213142301507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 66213142301507 in words is "sixty-six trillion, two hundred thirteen billion, one hundred forty-two million, three hundred one thousand, five hundred seven".