6106561611656 has 96 divisors (see below), whose sum is σ = 13457574287640. Its totient is φ = 2586566400000.

The previous prime is 6106561611649. The next prime is 6106561611679. The reversal of 6106561611656 is 6561161656016.

It can be written as a sum of positive squares in 4 ways, for example, as 6022930755556 + 83630856100 = 2454166^2 + 289190^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174995 + ... + 3499106.

Almost surely, 2^{6106561611656} is an apocalyptic number.

It is an amenable number.

6106561611656 is an abundant number, since it is smaller than the sum of its proper divisors (7351012675984).

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

6106561611656 is a wasteful number, since it uses less digits than its factorization.

6106561611656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674247 (or 3674232 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 6106561611656 in words is "six trillion, one hundred six billion, five hundred sixty-one million, six hundred eleven thousand, six hundred fifty-six".