6659216 has 10 divisors (see below), whose sum is σ = 12902262. Its totient is φ = 3329600.

The previous prime is 6659209. The next prime is 6659227. The reversal of 6659216 is 6129566.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 802816 = 2420^2 + 896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208085 + ... + 208116.

Almost surely, 2^6659216 is an apocalyptic number.

It is an amenable number.

6659216 is a deficient number, since it is larger than the sum of its proper divisors (6243046).

6659216 is a wasteful number, since it uses less digits than its factorization.

6659216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416209 (or 416203 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 6659216 is about 2580.5456787277. The cubic root of 6659216 is about 188.1370661827.

The spelling of 6659216 in words is "six million, six hundred fifty-nine thousand, two hundred sixteen".