6666117203 has 2 divisors, whose sum is σ = 6666117204. Its totient is φ = 6666117202.

The previous prime is 6666117193. The next prime is 6666117217. The reversal of 6666117203 is 3027116666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6666117203 - 2¹⁰ = 6666116179 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666117223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333058601 + 3333058602.

It is an arithmetic number, because the mean of its divisors is an integer number (3333058602).

Almost surely, 2^6666117203 is an apocalyptic number.

6666117203 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666117203 is an equidigital number, since it uses as much as digits as its factorization.

6666117203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 6666117203 is about 81646.2932594003. The cubic root of 6666117203 is about 1882.0203498308.

The spelling of 6666117203 in words is "six billion, six hundred sixty-six million, one hundred seventeen thousand, two hundred three".