66150533243203 has 2 divisors, whose sum is σ = 66150533243204. Its totient is φ = 66150533243202.

The previous prime is 66150533243191. The next prime is 66150533243209. The reversal of 66150533243203 is 30234233505166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66150533243203 - 2⁹ = 66150533242691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66150533243203.

It is not a weakly prime, because it can be changed into another prime (66150533243209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33075266621601 + 33075266621602.

It is an arithmetic number, because the mean of its divisors is an integer number (33075266621602).

Almost surely, 2^{66150533243203} is an apocalyptic number.

66150533243203 is a deficient number, since it is larger than the sum of its proper divisors (1).

66150533243203 is an equidigital number, since it uses as much as digits as its factorization.

66150533243203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 43.

Adding to 66150533243203 its reverse (30234233505166), we get a palindrome (96384766748369).

The spelling of 66150533243203 in words is "sixty-six trillion, one hundred fifty billion, five hundred thirty-three million, two hundred forty-three thousand, two hundred three".