3818754666 has 64 divisors (see below), whose sum is σ = 8579001600. Its totient is φ = 1259064000.

The previous prime is 3818754649. The next prime is 3818754671. The reversal of 3818754666 is 6664578183.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2192556 + ... + 2194296.

It is an arithmetic number, because the mean of its divisors is an integer number (134046900).

Almost surely, 2^3818754666 is an apocalyptic number.

3818754666 is an abundant number, since it is smaller than the sum of its proper divisors (4760246934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3818754666 is a wasteful number, since it uses less digits than its factorization.

3818754666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2166 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 3818754666 is about 61796.0732247608. The cubic root of 3818754666 is about 1563.0537741086.

The spelling of 3818754666 in words is "three billion, eight hundred eighteen million, seven hundred fifty-four thousand, six hundred sixty-six".