6664551204 has 12 divisors (see below), whose sum is σ = 15550619504. Its totient is φ = 2221517064.

The previous prime is 6664551203. The next prime is 6664551217. The reversal of 6664551204 is 4021554666.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6664551203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277689622 + ... + 277689645.

Almost surely, 2^6664551204 is an apocalyptic number.

It is an amenable number.

6664551204 is an abundant number, since it is smaller than the sum of its proper divisors (8886068300).

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

6664551204 is a wasteful number, since it uses less digits than its factorization.

6664551204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555379274 (or 555379272 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 6664551204 is about 81636.7025546721. The cubic root of 6664551204 is about 1881.8729640431.

The spelling of 6664551204 in words is "six billion, six hundred sixty-four million, five hundred fifty-one thousand, two hundred four".