17172858857159 has 8 divisors (see below), whose sum is σ = 17282394165552. Its totient is φ = 17063589090240.

The previous prime is 17172858857153. The next prime is 17172858857197. The reversal of 17172858857159 is 95175885827171.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17172858857159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17172858857153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66255614 + ... + 66514299.

It is an arithmetic number, because the mean of its divisors is an integer number (2160299270694).

Almost surely, 2^{17172858857159} is an apocalyptic number.

17172858857159 is a deficient number, since it is larger than the sum of its proper divisors (109535308393).

17172858857159 is a wasteful number, since it uses less digits than its factorization.

17172858857159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132770737.

The product of its digits is 395136000, while the sum is 74.

The spelling of 17172858857159 in words is "seventeen trillion, one hundred seventy-two billion, eight hundred fifty-eight million, eight hundred fifty-seven thousand, one hundred fifty-nine".