6666055 has 16 divisors (see below), whose sum is σ = 9187200. Its totient is φ = 4592160.

The previous prime is 6666047. The next prime is 6666059. The reversal of 6666055 is 5506666.

6666055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6666055 - 2³ = 6666047 is a prime.

6666055 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6666055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (574200).

Almost surely, 2^6666055 is an apocalyptic number.

6666055 is a deficient number, since it is larger than the sum of its proper divisors (2521145).

6666055 is a wasteful number, since it uses less digits than its factorization.

6666055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 6666055 is about 2581.8704460139. The cubic root of 6666055 is about 188.2014495964.

The spelling of 6666055 in words is "six million, six hundred sixty-six thousand, fifty-five".