3344445666 has 64 divisors (see below), whose sum is σ = 7913635200. Its totient is φ = 1043324928.

The previous prime is 3344445661. The next prime is 3344445667. The reversal of 3344445666 is 6665444433.

It is a super-2 number, since 2×3344445666² = 22370633625652367112, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3344445661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154146 + ... + 174498.

It is an arithmetic number, because the mean of its divisors is an integer number (123650550).

Almost surely, 2^3344445666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3344445666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3956817600).

3344445666 is an abundant number, since it is smaller than the sum of its proper divisors (4569189534).

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

3344445666 is a wasteful number, since it uses less digits than its factorization.

3344445666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 20554 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The square root of 3344445666 is about 57831.1824710510. The cubic root of 3344445666 is about 1495.4597030014.

The spelling of 3344445666 in words is "three billion, three hundred forty-four million, four hundred forty-five thousand, six hundred sixty-six".