17189105072 has 20 divisors (see below), whose sum is σ = 33426792096. Its totient is φ = 8562836160.

The previous prime is 17189105071. The next prime is 17189105107. The reversal of 17189105072 is 27050198171.

It is a super-2 number, since 2×17189105072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17189105071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977803 + ... + 1986474.

Almost surely, 2^17189105072 is an apocalyptic number.

It is an amenable number.

17189105072 is a deficient number, since it is larger than the sum of its proper divisors (16237687024).

17189105072 is a wasteful number, since it uses less digits than its factorization.

17189105072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964556 (or 3964550 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 17189105072 in words is "seventeen billion, one hundred eighty-nine million, one hundred five thousand, seventy-two".