6659917107 has 8 divisors (see below), whose sum is σ = 9347252160. Its totient is φ = 4206263400.

The previous prime is 6659917091. The next prime is 6659917141. The reversal of 6659917107 is 7017199566.

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

It is not a de Polignac number, because 6659917107 - 2⁴ = 6659917091 is a prime.

It is a super-2 number, since 2×6659917107² = 88708991744222498898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6659917107.

It is not an unprimeable number, because it can be changed into a prime (6659917507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58420269 + ... + 58420382.

It is an arithmetic number, because the mean of its divisors is an integer number (1168406520).

Almost surely, 2^6659917107 is an apocalyptic number.

6659917107 is a deficient number, since it is larger than the sum of its proper divisors (2687335053).

6659917107 is a wasteful number, since it uses less digits than its factorization.

6659917107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116840673.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 6659917107 is about 81608.3151829518. The cubic root of 6659917107 is about 1881.4366854071.

The spelling of 6659917107 in words is "six billion, six hundred fifty-nine million, nine hundred seventeen thousand, one hundred seven".