6663204 has 18 divisors (see below), whose sum is σ = 16843190. Its totient is φ = 2221056.

The previous prime is 6663203. The next prime is 6663227. The reversal of 6663204 is 4023666.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 1327104 = 2310^2 + 1152^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6663203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92509 + ... + 92580.

Almost surely, 2^6663204 is an apocalyptic number.

It is an amenable number.

6663204 is an abundant number, since it is smaller than the sum of its proper divisors (10179986).

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

6663204 is a wasteful number, since it uses less digits than its factorization.

6663204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185099 (or 185094 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 6663204 is about 2581.3182678624. The cubic root of 6663204 is about 188.1746151921.

The spelling of 6663204 in words is "six million, six hundred sixty-three thousand, two hundred four".