6655667056 has 40 divisors (see below), whose sum is σ = 13149232304. Its totient is φ = 3262671360.

The previous prime is 6655667027. The next prime is 6655667071. The reversal of 6655667056 is 6507665566.

It is a junction number, because it is equal to n+sod(n) for n = 6655666994 and 6655667012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294595 + ... + 316381.

Almost surely, 2^6655667056 is an apocalyptic number.

It is an amenable number.

6655667056 is a deficient number, since it is larger than the sum of its proper divisors (6493565248).

6655667056 is a wasteful number, since it uses less digits than its factorization.

6655667056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22169 (or 22163 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 52.

The square root of 6655667056 is about 81582.2717016387. The cubic root of 6655667056 is about 1881.0363849591.

The spelling of 6655667056 in words is "six billion, six hundred fifty-five million, six hundred sixty-seven thousand, fifty-six".