66130065236503 has 2 divisors, whose sum is σ = 66130065236504. Its totient is φ = 66130065236502.

The previous prime is 66130065236483. The next prime is 66130065236507. The reversal of 66130065236503 is 30563256003166.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66130065236503 - 2⁴¹ = 63931041980951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66130065236507) 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, 33065032618251 + 33065032618252.

It is an arithmetic number, because the mean of its divisors is an integer number (33065032618252).

Almost surely, 2^{66130065236503} is an apocalyptic number.

66130065236503 is a deficient number, since it is larger than the sum of its proper divisors (1).

66130065236503 is an equidigital number, since it uses as much as digits as its factorization.

66130065236503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 66130065236503 in words is "sixty-six trillion, one hundred thirty billion, sixty-five million, two hundred thirty-six thousand, five hundred three".