6670199 has 2 divisors, whose sum is σ = 6670200. Its totient is φ = 6670198.

The previous prime is 6670187. The next prime is 6670201. The reversal of 6670199 is 9910766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6670199 is a prime.

Together with 6670201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6670109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335099 + 3335100.

It is an arithmetic number, because the mean of its divisors is an integer number (3335100).

Almost surely, 2^6670199 is an apocalyptic number.

6670199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670199 is an equidigital number, since it uses as much as digits as its factorization.

6670199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 6670199 is about 2582.6728402955. The cubic root of 6670199 is about 188.2404404364.

The spelling of 6670199 in words is "six million, six hundred seventy thousand, one hundred ninety-nine".