6681007117 has 4 divisors (see below), whose sum is σ = 6704615200. Its totient is φ = 6657399036.

The previous prime is 6681007027. The next prime is 6681007171. The reversal of 6681007117 is 7117001866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6681007117 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 (6681002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11803617 + ... + 11804182.

It is an arithmetic number, because the mean of its divisors is an integer number (1676153800).

Almost surely, 2^6681007117 is an apocalyptic number.

It is an amenable number.

6681007117 is a deficient number, since it is larger than the sum of its proper divisors (23608083).

6681007117 is a wasteful number, since it uses less digits than its factorization.

6681007117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23608082.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 6681007117 is about 81737.4278834366. The cubic root of 6681007117 is about 1883.4205793468.

The spelling of 6681007117 in words is "six billion, six hundred eighty-one million, seven thousand, one hundred seventeen".