3661466443 has 16 divisors (see below), whose sum is σ = 3920888160. Its totient is φ = 3407040000.

The previous prime is 3661466437. The next prime is 3661466447. The reversal of 3661466443 is 3446641663.

It is a cyclic number.

It is not a de Polignac number, because 3661466443 - 2⁵ = 3661466411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3661466443.

It is not an unprimeable number, because it can be changed into a prime (3661466447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803553 + ... + 1805581.

It is an arithmetic number, because the mean of its divisors is an integer number (245055510).

Almost surely, 2^3661466443 is an apocalyptic number.

3661466443 is a deficient number, since it is larger than the sum of its proper divisors (259421717).

3661466443 is a wasteful number, since it uses less digits than its factorization.

3661466443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its digits is 746496, while the sum is 43.

The square root of 3661466443 is about 60510.0524128016. The cubic root of 3661466443 is about 1541.2923377760.

The spelling of 3661466443 in words is "three billion, six hundred sixty-one million, four hundred sixty-six thousand, four hundred forty-three".