10666259603 has 2 divisors, whose sum is σ = 10666259604. Its totient is φ = 10666259602.

The previous prime is 10666259573. The next prime is 10666259609. The reversal of 10666259603 is 30695266601.

10666259603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10666259603 - 2¹⁶ = 10666194067 is a prime.

It is a super-2 number, since 2×10666259603² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666259609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333129801 + 5333129802.

It is an arithmetic number, because the mean of its divisors is an integer number (5333129802).

Almost surely, 2^10666259603 is an apocalyptic number.

10666259603 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666259603 is an equidigital number, since it uses as much as digits as its factorization.

10666259603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 10666259603 in words is "ten billion, six hundred sixty-six million, two hundred fifty-nine thousand, six hundred three".