6680199 has 4 divisors (see below), whose sum is σ = 8906936. Its totient is φ = 4453464.

The previous prime is 6680183. The next prime is 6680203. The reversal of 6680199 is 9910866.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6680199 - 2⁴ = 6680183 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113364 + ... + 1113369.

It is an arithmetic number, because the mean of its divisors is an integer number (2226734).

Almost surely, 2^6680199 is an apocalyptic number.

6680199 is a deficient number, since it is larger than the sum of its proper divisors (2226737).

6680199 is a wasteful number, since it uses less digits than its factorization.

6680199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226736.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 6680199 is about 2584.6080940831. The cubic root of 6680199 is about 188.3344638423.

The spelling of 6680199 in words is "six million, six hundred eighty thousand, one hundred ninety-nine".