8218516682 has 8 divisors (see below), whose sum is σ = 12332039076. Its totient is φ = 4107836992.

The previous prime is 8218516597. The next prime is 8218516693. The reversal of 8218516682 is 2866158128.

It can be written as a sum of positive squares in 2 ways, for example, as 8215790881 + 2725801 = 90641^2 + 1651^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703433 + ... + 715020.

Almost surely, 2^8218516682 is an apocalyptic number.

8218516682 is a deficient number, since it is larger than the sum of its proper divisors (4113522394).

8218516682 is a wasteful number, since it uses less digits than its factorization.

8218516682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421352.

The product of its digits is 368640, while the sum is 47.

The square root of 8218516682 is about 90656.0350004345. The cubic root of 8218516682 is about 2018.0463975007.

The spelling of 8218516682 in words is "eight billion, two hundred eighteen million, five hundred sixteen thousand, six hundred eighty-two".