6686822074 has 16 divisors (see below), whose sum is σ = 10224977256. Its totient is φ = 3278822400.

The previous prime is 6686822071. The next prime is 6686822089. The reversal of 6686822074 is 4702286866.

It can be written as a sum of positive squares in 4 ways, for example, as 1172720025 + 5514102049 = 34245^2 + 74257^2 .

It is a super-2 number, since 2×6686822074² = 89427178898667322952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6686822071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40207 + ... + 122434.

Almost surely, 2^6686822074 is an apocalyptic number.

6686822074 is a deficient number, since it is larger than the sum of its proper divisors (3538155182).

6686822074 is a wasteful number, since it uses less digits than its factorization.

6686822074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163041.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The square root of 6686822074 is about 81772.9911034200. The cubic root of 6686822074 is about 1883.9668459793.

The spelling of 6686822074 in words is "six billion, six hundred eighty-six million, eight hundred twenty-two thousand, seventy-four".