16707661056 has 108 divisors (see below), whose sum is σ = 48423191908. Its totient is φ = 5540216832.

The previous prime is 16707661021. The next prime is 16707661057. The reversal of 16707661056 is 65016670761.

16707661056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11050214400 + 5657446656 = 105120^2 + 75216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16707661057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425886 + ... + 463458.

Almost surely, 2^16707661056 is an apocalyptic number.

16707661056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16707661056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24211595954).

16707661056 is an abundant number, since it is smaller than the sum of its proper divisors (31715530852).

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

16707661056 is a wasteful number, since it uses less digits than its factorization.

16707661056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37788 (or 37771 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 16707661056 in words is "sixteen billion, seven hundred seven million, six hundred sixty-one thousand, fifty-six".