6655611 has 8 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 4374440.

The previous prime is 6655603. The next prime is 6655631. The reversal of 6655611 is 1165566.

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 6655611 - 2³ = 6655603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6655631) 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, 15411 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^6655611 is an apocalyptic number.

6655611 is a deficient number, since it is larger than the sum of its proper divisors (2343813).

6655611 is a wasteful number, since it uses less digits than its factorization.

6655611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31321.

The product of its digits is 5400, while the sum is 30.

The square root of 6655611 is about 2579.8470884919. The cubic root of 6655611 is about 188.1031104062.

The spelling of 6655611 in words is "six million, six hundred fifty-five thousand, six hundred eleven".