6604444066 has 16 divisors (see below), whose sum is σ = 11277154368. Its totient is φ = 2871497200.

The previous prime is 6604444027. The next prime is 6604444081.

It is a happy number.

6604444066 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6604444066² = 87237362841845224712, which contains 22 as substring.

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, 6525625 + ... + 6526636.

It is an arithmetic number, because the mean of its divisors is an integer number (704822148).

Almost surely, 2^6604444066 is an apocalyptic number.

6604444066 is a deficient number, since it is larger than the sum of its proper divisors (4672710302).

6604444066 is a wasteful number, since it uses less digits than its factorization.

6604444066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052297.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 6604444066 is about 81267.7307791967. The cubic root of 6604444066 is about 1876.1983749880.

The spelling of 6604444066 in words is "six billion, six hundred four million, four hundred forty-four thousand, sixty-six".