6605651115656 has 32 divisors (see below), whose sum is σ = 12396008772000. Its totient is φ = 3300049939200.

The previous prime is 6605651115649. The next prime is 6605651115671. The reversal of 6605651115656 is 6565111565066.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6605651115598 and 6605651115607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46964171 + ... + 47104613.

It is an arithmetic number, because the mean of its divisors is an integer number (387375274125).

Almost surely, 2^{6605651115656} is an apocalyptic number.

It is an amenable number.

6605651115656 is a deficient number, since it is larger than the sum of its proper divisors (5790357656344).

6605651115656 is a wasteful number, since it uses less digits than its factorization.

6605651115656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145349 (or 145345 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 6605651115656 in words is "six trillion, six hundred five billion, six hundred fifty-one million, one hundred fifteen thousand, six hundred fifty-six".