17161755716172 has 48 divisors (see below), whose sum is σ = 41586114296160. Its totient is φ = 5501832118272.

The previous prime is 17161755716153. The next prime is 17161755716179. The reversal of 17161755716172 is 27161755716171.

It is not an unprimeable number, because it can be changed into a prime (17161755716179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95854903 + ... + 96033774.

It is an arithmetic number, because the mean of its divisors is an integer number (866377381170).

Almost surely, 2^{17161755716172} is an apocalyptic number.

17161755716172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17161755716172 is an abundant number, since it is smaller than the sum of its proper divisors (24424358579988).

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

17161755716172 is a wasteful number, since it uses less digits than its factorization.

17161755716172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191888970 (or 191888968 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 57.

Subtracting 17161755716172 from its reverse (27161755716171), we obtain a palindrome (9999999999999).

It can be divided in two parts, 1716175 and 5716172, that added together give a palindrome (7432347).

The spelling of 17161755716172 in words is "seventeen trillion, one hundred sixty-one billion, seven hundred fifty-five million, seven hundred sixteen thousand, one hundred seventy-two".