6611656 has 16 divisors (see below), whose sum is σ = 12464640. Its totient is φ = 3287760.

The previous prime is 6611653. The next prime is 6611659. The reversal of 6611656 is 6561166.

It is an interprime number because it is at equal distance from previous prime (6611653) and next prime (6611659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (779040).

Almost surely, 2^6611656 is an apocalyptic number.

It is an amenable number.

6611656 is a deficient number, since it is larger than the sum of its proper divisors (5852984).

6611656 is a wasteful number, since it uses less digits than its factorization.

6611656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4520 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 6611656 is about 2571.3140609424. The cubic root of 6611656 is about 187.6881051506.

The spelling of 6611656 in words is "six million, six hundred eleven thousand, six hundred fifty-six".