17104129728 has 168 divisors, whose sum is σ = 52780996800. Its totient is φ = 4874107392.

The previous prime is 17104129723. The next prime is 17104129729. The reversal of 17104129728 is 82792140171.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 17104129728.

It is not an unprimeable number, because it can be changed into a prime (17104129723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3939783 + ... + 3944121.

It is an arithmetic number, because the mean of its divisors is an integer number (314172600).

Almost surely, 2^17104129728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17104129728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26390498400).

17104129728 is an abundant number, since it is smaller than the sum of its proper divisors (35676867072).

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

17104129728 is a wasteful number, since it uses less digits than its factorization.

17104129728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

Adding to 17104129728 its reverse (82792140171), we get a palindrome (99896269899).

The spelling of 17104129728 in words is "seventeen billion, one hundred four million, one hundred twenty-nine thousand, seven hundred twenty-eight".