66003208853 has 2 divisors, whose sum is σ = 66003208854. Its totient is φ = 66003208852.

The previous prime is 66003208847. The next prime is 66003208879. The reversal of 66003208853 is 35880230066.

66003208853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61751256004 + 4251952849 = 248498^2 + 65207^2 .

It is a cyclic number.

It is not a de Polignac number, because 66003208853 - 2²⁰ = 66002160277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66003208853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66003208823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33001604426 + 33001604427.

It is an arithmetic number, because the mean of its divisors is an integer number (33001604427).

Almost surely, 2^66003208853 is an apocalyptic number.

It is an amenable number.

66003208853 is a deficient number, since it is larger than the sum of its proper divisors (1).

66003208853 is an equidigital number, since it uses as much as digits as its factorization.

66003208853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 66003208853 in words is "sixty-six billion, three million, two hundred eight thousand, eight hundred fifty-three".