6717567121 has 8 divisors (see below), whose sum is σ = 6751876064. Its totient is φ = 6683281920.

The previous prime is 6717567089. The next prime is 6717567133. The reversal of 6717567121 is 1217657176.

6717567121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6717567121 - 2⁵ = 6717567089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6717567191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916945 + ... + 924241.

It is an arithmetic number, because the mean of its divisors is an integer number (843984508).

Almost surely, 2^6717567121 is an apocalyptic number.

It is an amenable number.

6717567121 is a deficient number, since it is larger than the sum of its proper divisors (34308943).

6717567121 is a wasteful number, since it uses less digits than its factorization.

6717567121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871.

The product of its digits is 123480, while the sum is 43.

The square root of 6717567121 is about 81960.7657419085. The cubic root of 6717567121 is about 1886.8498349046.

The spelling of 6717567121 in words is "six billion, seven hundred seventeen million, five hundred sixty-seven thousand, one hundred twenty-one".