66734070336763 has 2 divisors, whose sum is σ = 66734070336764. Its totient is φ = 66734070336762.

The previous prime is 66734070336707. The next prime is 66734070336853. The reversal of 66734070336763 is 36763307043766.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66734070336763 is a prime.

It is a super-2 number, since 2×66734070336763² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66734070336863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367035168381 + 33367035168382.

It is an arithmetic number, because the mean of its divisors is an integer number (33367035168382).

Almost surely, 2^{66734070336763} is an apocalyptic number.

66734070336763 is a deficient number, since it is larger than the sum of its proper divisors (1).

66734070336763 is an equidigital number, since it uses as much as digits as its factorization.

66734070336763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144027072, while the sum is 61.

The spelling of 66734070336763 in words is "sixty-six trillion, seven hundred thirty-four billion, seventy million, three hundred thirty-six thousand, seven hundred sixty-three".