66105002453233 has 2 divisors, whose sum is σ = 66105002453234. Its totient is φ = 66105002453232.

The previous prime is 66105002453209. The next prime is 66105002453239. The reversal of 66105002453233 is 33235420050166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66098070725184 + 6931728049 = 8130072^2 + 83257^2 .

It is a cyclic number.

It is not a de Polignac number, because 66105002453233 - 2²¹ = 66105000356081 is a prime.

It is not a weakly prime, because it can be changed into another prime (66105002453239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33052501226616 + 33052501226617.

It is an arithmetic number, because the mean of its divisors is an integer number (33052501226617).

Almost surely, 2^{66105002453233} is an apocalyptic number.

It is an amenable number.

66105002453233 is a deficient number, since it is larger than the sum of its proper divisors (1).

66105002453233 is an equidigital number, since it uses as much as digits as its factorization.

66105002453233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 66105002453233 in words is "sixty-six trillion, one hundred five billion, two million, four hundred fifty-three thousand, two hundred thirty-three".