6655560656616 has 48 divisors (see below), whose sum is σ = 18330993345600. Its totient is φ = 2180918179872.

The previous prime is 6655560656543. The next prime is 6655560656621. The reversal of 6655560656616 is 6166560655566.

6655560656616 is a `hidden beast` number, since 6 + 6 + 5 + 5 + 5 + 6 + 0 + 6 + 5 + 6 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783371536 + ... + 783380031.

It is an arithmetic number, because the mean of its divisors is an integer number (381895694700).

Almost surely, 2^{6655560656616} is an apocalyptic number.

It is an amenable number.

6655560656616 is an abundant number, since it is smaller than the sum of its proper divisors (11675432688984).

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

6655560656616 is a wasteful number, since it uses less digits than its factorization.

6655560656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566751638 (or 1566751631 counting only the distinct ones).

The product of its (nonzero) digits is 174960000, while the sum is 63.

The spelling of 6655560656616 in words is "six trillion, six hundred fifty-five billion, five hundred sixty million, six hundred fifty-six thousand, six hundred sixteen".