6655128107 has 8 divisors (see below), whose sum is σ = 6756805536. Its totient is φ = 6554201472.

The previous prime is 6655128059. The next prime is 6655128149. The reversal of 6655128107 is 7018215566.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6655128107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6655128187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169823 + ... + 205304.

It is an arithmetic number, because the mean of its divisors is an integer number (844600692).

Almost surely, 2^6655128107 is an apocalyptic number.

6655128107 is a deficient number, since it is larger than the sum of its proper divisors (101677429).

6655128107 is a wasteful number, since it uses less digits than its factorization.

6655128107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375397.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 6655128107 is about 81578.9685335626. The cubic root of 6655128107 is about 1880.9856106823.

The spelling of 6655128107 in words is "six billion, six hundred fifty-five million, one hundred twenty-eight thousand, one hundred seven".