6656110555 has 8 divisors (see below), whose sum is σ = 8457175872. Its totient is φ = 5011659648.

The previous prime is 6656110543. The next prime is 6656110561. The reversal of 6656110555 is 5550116566.

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 6656110555 - 2²⁵ = 6622556123 is a prime.

It is a Duffinian number.

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, 39153507 + ... + 39153676.

It is an arithmetic number, because the mean of its divisors is an integer number (1057146984).

Almost surely, 2^6656110555 is an apocalyptic number.

6656110555 is a deficient number, since it is larger than the sum of its proper divisors (1801065317).

6656110555 is a wasteful number, since it uses less digits than its factorization.

6656110555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78307205.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 6656110555 is about 81584.9897652748. The cubic root of 6656110555 is about 1881.0781648548.

The spelling of 6656110555 in words is "six billion, six hundred fifty-six million, one hundred ten thousand, five hundred fifty-five".