6113518686 has 64 divisors (see below), whose sum is σ = 14887434240. Its totient is φ = 1844233920.

The previous prime is 6113518667. The next prime is 6113518709. The reversal of 6113518686 is 6868153116.

6113518686 is a `hidden beast` number, since 61 + 13 + 518 + 68 + 6 = 666.

It is a super-2 number, since 2×6113518686² = 74750221448142333192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 109386 + ... + 155538.

It is an arithmetic number, because the mean of its divisors is an integer number (232616160).

Almost surely, 2^6113518686 is an apocalyptic number.

6113518686 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6113518686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7443717120).

6113518686 is an abundant number, since it is smaller than the sum of its proper divisors (8773915554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6113518686 is a wasteful number, since it uses less digits than its factorization.

6113518686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46398 (or 46392 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 6113518686 is about 78188.9933814217. The cubic root of 6113518686 is about 1828.5089116979.

The spelling of 6113518686 in words is "six billion, one hundred thirteen million, five hundred eighteen thousand, six hundred eighty-six".