5186666814 has 48 divisors (see below), whose sum is σ = 12083417472. Its totient is φ = 1453911264.

The previous prime is 5186666803. The next prime is 5186666827. The reversal of 5186666814 is 4186666815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95997 + ... + 139959.

It is an arithmetic number, because the mean of its divisors is an integer number (251737864).

Almost surely, 2^5186666814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5186666814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6041708736).

5186666814 is an abundant number, since it is smaller than the sum of its proper divisors (6896750658).

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

5186666814 is a wasteful number, since it uses less digits than its factorization.

5186666814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44081 (or 44028 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 5186666814 is about 72018.5171605192. The cubic root of 5186666814 is about 1730.9962090600.

Subtracting from 5186666814 its reverse (4186666815), we obtain a palindrome (999999999).

The spelling of 5186666814 in words is "five billion, one hundred eighty-six million, six hundred sixty-six thousand, eight hundred fourteen".