3678666716 has 12 divisors (see below), whose sum is σ = 6438115320. Its totient is φ = 1839205200.

The previous prime is 3678666709. The next prime is 3678666721. The reversal of 3678666716 is 6176668763.

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, 65615 + ... + 107993.

It is an arithmetic number, because the mean of its divisors is an integer number (536509610).

Almost surely, 2^3678666716 is an apocalyptic number.

It is an amenable number.

3678666716 is a deficient number, since it is larger than the sum of its proper divisors (2759448604).

3678666716 is a wasteful number, since it uses less digits than its factorization.

3678666716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64084 (or 64082 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The square root of 3678666716 is about 60652.0132889255. The cubic root of 3678666716 is about 1543.7020502823.

The spelling of 3678666716 in words is "three billion, six hundred seventy-eight million, six hundred sixty-six thousand, seven hundred sixteen".