3942316666 has 16 divisors (see below), whose sum is σ = 6247549440. Its totient is φ = 1862692720.

The previous prime is 3942316627. The next prime is 3942316681. The reversal of 3942316666 is 6666132493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720370 + ... + 725821.

It is an arithmetic number, because the mean of its divisors is an integer number (390471840).

Almost surely, 2^3942316666 is an apocalyptic number.

3942316666 is a deficient number, since it is larger than the sum of its proper divisors (2305232774).

3942316666 is a wasteful number, since it uses less digits than its factorization.

3942316666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446269.

The product of its digits is 839808, while the sum is 46.

The square root of 3942316666 is about 62787.8703731859. The cubic root of 3942316666 is about 1579.7335268709.

The spelling of 3942316666 in words is "three billion, nine hundred forty-two million, three hundred sixteen thousand, six hundred sixty-six".