6720112199 has 4 divisors (see below), whose sum is σ = 6720276864. Its totient is φ = 6719947536.

The previous prime is 6720112117. The next prime is 6720112207. The reversal of 6720112199 is 9912110276.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6720112199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720112099) 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, 29699 + ... + 119675.

It is an arithmetic number, because the mean of its divisors is an integer number (1680069216).

Almost surely, 2^6720112199 is an apocalyptic number.

6720112199 is a deficient number, since it is larger than the sum of its proper divisors (164665).

6720112199 is an equidigital number, since it uses as much as digits as its factorization.

6720112199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164664.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 6720112199 is about 81976.2904686471. The cubic root of 6720112199 is about 1887.0880944600.

The spelling of 6720112199 in words is "six billion, seven hundred twenty million, one hundred twelve thousand, one hundred ninety-nine".