6646066204 has 6 divisors (see below), whose sum is σ = 11630615864. Its totient is φ = 3323033100.

The previous prime is 6646066187. The next prime is 6646066247. The reversal of 6646066204 is 4026606466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830758272 + ... + 830758279.

Almost surely, 2^6646066204 is an apocalyptic number.

It is an amenable number.

6646066204 is a deficient number, since it is larger than the sum of its proper divisors (4984549660).

6646066204 is a wasteful number, since it uses less digits than its factorization.

6646066204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661516555 (or 1661516553 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 6646066204 is about 81523.4089326495. The cubic root of 6646066204 is about 1880.1314797891.

The spelling of 6646066204 in words is "six billion, six hundred forty-six million, sixty-six thousand, two hundred four".