3689675666 has 16 divisors (see below), whose sum is σ = 5644755864. Its totient is φ = 1808162304.

The previous prime is 3689675657. The next prime is 3689675669. The reversal of 3689675666 is 6665769863.

It can be written as a sum of positive squares in 4 ways, for example, as 3662791441 + 26884225 = 60521^2 + 5185^2 .

It is a super-2 number, since 2×3689675666² = 27227413040545087112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3689675599 and 3689675608.

It is not an unprimeable number, because it can be changed into a prime (3689675669) 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, 88226 + ... + 123138.

Almost surely, 2^3689675666 is an apocalyptic number.

3689675666 is a deficient number, since it is larger than the sum of its proper divisors (1955080198).

3689675666 is a wasteful number, since it uses less digits than its factorization.

3689675666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35965.

The product of its digits is 58786560, while the sum is 62.

The square root of 3689675666 is about 60742.7005161937. The cubic root of 3689675666 is about 1545.2404349963.

The spelling of 3689675666 in words is "three billion, six hundred eighty-nine million, six hundred seventy-five thousand, six hundred sixty-six".