6615005656 has 16 divisors (see below), whose sum is σ = 14175012240. Its totient is φ = 2835002400.

The previous prime is 6615005653. The next prime is 6615005659. The reversal of 6615005656 is 6565005166.

It is an interprime number because it is at equal distance from previous prime (6615005653) and next prime (6615005659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615005651) 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, 59062495 + ... + 59062606.

It is an arithmetic number, because the mean of its divisors is an integer number (885938265).

Almost surely, 2^6615005656 is an apocalyptic number.

It is an amenable number.

6615005656 is an abundant number, since it is smaller than the sum of its proper divisors (7560006584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6615005656 is a wasteful number, since it uses less digits than its factorization.

6615005656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118125114 (or 118125110 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6615005656 is about 81332.6850411321. The cubic root of 6615005656 is about 1877.1979587205.

The spelling of 6615005656 in words is "six billion, six hundred fifteen million, five thousand, six hundred fifty-six".