66366240003047 has 2 divisors, whose sum is σ = 66366240003048. Its totient is φ = 66366240003046.

The previous prime is 66366240002981. The next prime is 66366240003053. The reversal of 66366240003047 is 74030004266366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66366240003047 - 2¹⁶ = 66366239937511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66366240002992 and 66366240003010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66366240002047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33183120001523 + 33183120001524.

It is an arithmetic number, because the mean of its divisors is an integer number (33183120001524).

Almost surely, 2^{66366240003047} is an apocalyptic number.

66366240003047 is a deficient number, since it is larger than the sum of its proper divisors (1).

66366240003047 is an equidigital number, since it uses as much as digits as its factorization.

66366240003047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 47.

The spelling of 66366240003047 in words is "sixty-six trillion, three hundred sixty-six billion, two hundred forty million, three thousand, forty-seven".