6656055555 has 8 divisors (see below), whose sum is σ = 10649688912. Its totient is φ = 3549896288.

The previous prime is 6656055529. The next prime is 6656055587. The reversal of 6656055555 is 5555506566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6656055555 - 2¹⁸ = 6655793411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221868504 + ... + 221868533.

It is an arithmetic number, because the mean of its divisors is an integer number (1331211114).

Almost surely, 2^6656055555 is an apocalyptic number.

6656055555 is a deficient number, since it is larger than the sum of its proper divisors (3993633357).

6656055555 is a wasteful number, since it uses less digits than its factorization.

6656055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443737045.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The square root of 6656055555 is about 81584.6526927706. The cubic root of 6656055555 is about 1881.0729836716.

The spelling of 6656055555 in words is "six billion, six hundred fifty-six million, fifty-five thousand, five hundred fifty-five".