66734124801263 has 2 divisors, whose sum is σ = 66734124801264. Its totient is φ = 66734124801262.

The previous prime is 66734124801173. The next prime is 66734124801269. The reversal of 66734124801263 is 36210842143766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66734124801263 - 2³⁶ = 66665405324527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66734124801269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367062400631 + 33367062400632.

It is an arithmetic number, because the mean of its divisors is an integer number (33367062400632).

Almost surely, 2^{66734124801263} is an apocalyptic number.

66734124801263 is a deficient number, since it is larger than the sum of its proper divisors (1).

66734124801263 is an equidigital number, since it uses as much as digits as its factorization.

66734124801263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 66734124801263 in words is "sixty-six trillion, seven hundred thirty-four billion, one hundred twenty-four million, eight hundred one thousand, two hundred sixty-three".