6670666603 has 2 divisors, whose sum is σ = 6670666604. Its totient is φ = 6670666602.

The previous prime is 6670666577. The next prime is 6670666649. The reversal of 6670666603 is 3066660766.

It is an a-pointer prime, because the next prime (6670666649) can be obtained adding 6670666603 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6670666603 - 2⁵ = 6670666571 is a prime.

It is not a weakly prime, because it can be changed into another prime (6670666003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335333301 + 3335333302.

It is an arithmetic number, because the mean of its divisors is an integer number (3335333302).

Almost surely, 2^6670666603 is an apocalyptic number.

6670666603 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670666603 is an equidigital number, since it uses as much as digits as its factorization.

6670666603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 46.

The square root of 6670666603 is about 81674.1489273075. The cubic root of 6670666603 is about 1882.4483909269.

The spelling of 6670666603 in words is "six billion, six hundred seventy million, six hundred sixty-six thousand, six hundred three".