6655199 has 2 divisors, whose sum is σ = 6655200. Its totient is φ = 6655198.

The previous prime is 6655169. The next prime is 6655237. The reversal of 6655199 is 9915566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6655199 - 2⁸ = 6654943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6655169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327599 + 3327600.

It is an arithmetic number, because the mean of its divisors is an integer number (3327600).

Almost surely, 2^6655199 is an apocalyptic number.

6655199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655199 is an equidigital number, since it uses as much as digits as its factorization.

6655199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The square root of 6655199 is about 2579.7672375623. The cubic root of 6655199 is about 188.0992289654.

The spelling of 6655199 in words is "six million, six hundred fifty-five thousand, one hundred ninety-nine".