16056600655566 has 8 divisors (see below), whose sum is σ = 32113201311144. Its totient is φ = 5352200218520.

The previous prime is 16056600655561. The next prime is 16056600655577. The reversal of 16056600655566 is 66555600665061.

It is a sphenic number, since it is the product of 3 distinct primes.

16056600655566 is an admirable number.

It is a super-2 number, since 2×16056600655566² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16056600655561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338050054625 + ... + 1338050054636.

It is an arithmetic number, because the mean of its divisors is an integer number (4014150163893).

Almost surely, 2^{16056600655566} is an apocalyptic number.

16056600655566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16056600655566 is a wasteful number, since it uses less digits than its factorization.

16056600655566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676100109266.

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 16056600655566 in words is "sixteen trillion, fifty-six billion, six hundred million, six hundred fifty-five thousand, five hundred sixty-six".