3666444844 has 12 divisors (see below), whose sum is σ = 6572773368. Its totient is φ = 1788509600.

The previous prime is 3666444841. The next prime is 3666444853. The reversal of 3666444844 is 4484446663.

It is not an unprimeable number, because it can be changed into a prime (3666444841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11178022 + ... + 11178349.

It is an arithmetic number, because the mean of its divisors is an integer number (547731114).

Almost surely, 2^3666444844 is an apocalyptic number.

It is an amenable number.

3666444844 is a deficient number, since it is larger than the sum of its proper divisors (2906328524).

3666444844 is a wasteful number, since it uses less digits than its factorization.

3666444844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356416 (or 22356414 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 49.

The square root of 3666444844 is about 60551.1754138596. The cubic root of 3666444844 is about 1541.9905731588.

The spelling of 3666444844 in words is "three billion, six hundred sixty-six million, four hundred forty-four thousand, eight hundred forty-four".