6618055 has 4 divisors (see below), whose sum is σ = 7941672. Its totient is φ = 5294440.

The previous prime is 6618047. The next prime is 6618077. The reversal of 6618055 is 5508166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5508166 = 2 ⋅2754083.

It is not a de Polignac number, because 6618055 - 2³ = 6618047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661801 + ... + 661810.

It is an arithmetic number, because the mean of its divisors is an integer number (1985418).

Almost surely, 2^6618055 is an apocalyptic number.

6618055 is a deficient number, since it is larger than the sum of its proper divisors (1323617).

6618055 is a wasteful number, since it uses less digits than its factorization.

6618055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323616.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 6618055 is about 2572.5580654283. The cubic root of 6618055 is about 187.7486360741.

The spelling of 6618055 in words is "six million, six hundred eighteen thousand, fifty-five".