6666117204 has 12 divisors (see below), whose sum is σ = 15554273504. Its totient is φ = 2222039064.

The previous prime is 6666117203. The next prime is 6666117217. The reversal of 6666117204 is 4027116666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666117203) 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, 277754872 + ... + 277754895.

Almost surely, 2^6666117204 is an apocalyptic number.

It is an amenable number.

6666117204 is an abundant number, since it is smaller than the sum of its proper divisors (8888156300).

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

6666117204 is a wasteful number, since it uses less digits than its factorization.

6666117204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555509774 (or 555509772 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6666117204 is about 81646.2932655243. The cubic root of 6666117204 is about 1882.0203499249.

The spelling of 6666117204 in words is "six billion, six hundred sixty-six million, one hundred seventeen thousand, two hundred four".