6616686510117 has 48 divisors (see below), whose sum is σ = 10001887758720. Its totient is φ = 4207122589824.

The previous prime is 6616686510107. The next prime is 6616686510139. The reversal of 6616686510117 is 7110156866166.

6616686510117 is a `hidden beast` number, since 6 + 6 + 1 + 6 + 6 + 8 + 6 + 510 + 117 = 666.

It is not a de Polignac number, because 6616686510117 - 2¹⁴ = 6616686493733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616686510107) 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 47 ways as a sum of consecutive naturals, for example, 99957643 + ... + 100023815.

It is an arithmetic number, because the mean of its divisors is an integer number (208372661640).

Almost surely, 2^{6616686510117} is an apocalyptic number.

It is an amenable number.

6616686510117 is a deficient number, since it is larger than the sum of its proper divisors (3385201248603).

6616686510117 is a wasteful number, since it uses less digits than its factorization.

6616686510117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67594 (or 67591 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 6616686510117 in words is "six trillion, six hundred sixteen billion, six hundred eighty-six million, five hundred ten thousand, one hundred seventeen".