666675203 has 2 divisors, whose sum is σ = 666675204. Its totient is φ = 666675202.

The previous prime is 666675193. The next prime is 666675227. The reversal of 666675203 is 302576666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 666675203 - 2⁴ = 666675187 is a prime.

It is not a weakly prime, because it can be changed into another prime (666675103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333337601 + 333337602.

It is an arithmetic number, because the mean of its divisors is an integer number (333337602).

Almost surely, 2^666675203 is an apocalyptic number.

666675203 is a deficient number, since it is larger than the sum of its proper divisors (1).

666675203 is an equidigital number, since it uses as much as digits as its factorization.

666675203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 666675203 is about 25820.0542795711. The cubic root of 666675203 is about 873.5841933074.

The spelling of 666675203 in words is "six hundred sixty-six million, six hundred seventy-five thousand, two hundred three".