5185618656166 has 8 divisors (see below), whose sum is σ = 8376768598464. Its totient is φ = 2393362456680.

The previous prime is 5185618656109. The next prime is 5185618656187. The reversal of 5185618656166 is 6616568165815.

It is a happy number.

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

It is a super-3 number, since 3×5185618656166³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5185618656098 and 5185618656107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99723435670 + ... + 99723435721.

It is an arithmetic number, because the mean of its divisors is an integer number (1047096074808).

Almost surely, 2^{5185618656166} is an apocalyptic number.

5185618656166 is a deficient number, since it is larger than the sum of its proper divisors (3191149942298).

5185618656166 is a wasteful number, since it uses less digits than its factorization.

5185618656166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199446871406.

The product of its digits is 62208000, while the sum is 64.

The spelling of 5185618656166 in words is "five trillion, one hundred eighty-five billion, six hundred eighteen million, six hundred fifty-six thousand, one hundred sixty-six".