17056710666 has 72 divisors (see below), whose sum is σ = 39407197284. Its totient is φ = 5330603520.

The previous prime is 17056710659. The next prime is 17056710689. The reversal of 17056710666 is 66601765071.

17056710666 is digitally balanced in base 5, 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 16084580625 + 972130041 = 126825^2 + 31179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 616776 + ... + 643836.

Almost surely, 2^17056710666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17056710666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19703598642).

17056710666 is an abundant number, since it is smaller than the sum of its proper divisors (22350486618).

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

17056710666 is a wasteful number, since it uses less digits than its factorization.

17056710666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27204 (or 27182 counting only the distinct ones).

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

The spelling of 17056710666 in words is "seventeen billion, fifty-six million, seven hundred ten thousand, six hundred sixty-six".