6680199115 has 4 divisors (see below), whose sum is σ = 8016238944. Its totient is φ = 5344159288.

The previous prime is 6680199107. The next prime is 6680199137. The reversal of 6680199115 is 5119910866.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6680199115 - 2³ = 6680199107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668019907 + ... + 668019916.

It is an arithmetic number, because the mean of its divisors is an integer number (2004059736).

Almost surely, 2^6680199115 is an apocalyptic number.

6680199115 is a deficient number, since it is larger than the sum of its proper divisors (1336039829).

6680199115 is a wasteful number, since it uses less digits than its factorization.

6680199115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336039828.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 6680199115 is about 81732.4850656090. The cubic root of 6680199115 is about 1883.3446492302.

The spelling of 6680199115 in words is "six billion, six hundred eighty million, one hundred ninety-nine thousand, one hundred fifteen".