5186668351855 has 8 divisors (see below), whose sum is σ = 6224107084272. Its totient is φ = 4149264640128.

The previous prime is 5186668351849. The next prime is 5186668351859. The reversal of 5186668351855 is 5581538666815.

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 5186668351855 - 2³⁹ = 4636912537967 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 (5186668351859) 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, 8428234 + ... + 9022663.

It is an arithmetic number, because the mean of its divisors is an integer number (778013385534).

Almost surely, 2^{5186668351855} is an apocalyptic number.

5186668351855 is a deficient number, since it is larger than the sum of its proper divisors (1037438732417).

5186668351855 is a wasteful number, since it uses less digits than its factorization.

5186668351855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17510345.

The product of its digits is 207360000, while the sum is 67.

The spelling of 5186668351855 in words is "five trillion, one hundred eighty-six billion, six hundred sixty-eight million, three hundred fifty-one thousand, eight hundred fifty-five".