6655216 has 10 divisors (see below), whose sum is σ = 12894512. Its totient is φ = 3327600.

The previous prime is 6655199. The next prime is 6655237. The reversal of 6655216 is 6125566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207960 + ... + 207991.

Almost surely, 2^6655216 is an apocalyptic number.

It is an amenable number.

6655216 is a deficient number, since it is larger than the sum of its proper divisors (6239296).

6655216 is a wasteful number, since it uses less digits than its factorization.

6655216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415959 (or 415953 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 6655216 is about 2579.7705324311. The cubic root of 6655216 is about 188.0993891251.

The spelling of 6655216 in words is "six million, six hundred fifty-five thousand, two hundred sixteen".