171334168214172 has 24 divisors (see below), whose sum is σ = 400025441751936. Its totient is φ = 57076287130608.

The previous prime is 171334168214113. The next prime is 171334168214173. The reversal of 171334168214172 is 271412861433171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171334168214173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4387763928 + ... + 4387802975.

It is an arithmetic number, because the mean of its divisors is an integer number (16667726739664).

Almost surely, 2^{171334168214172} is an apocalyptic number.

171334168214172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171334168214172 is an abundant number, since it is smaller than the sum of its proper divisors (228691273537764).

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

171334168214172 is a wasteful number, since it uses less digits than its factorization.

171334168214172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775568537 (or 8775568535 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The spelling of 171334168214172 in words is "one hundred seventy-one trillion, three hundred thirty-four billion, one hundred sixty-eight million, two hundred fourteen thousand, one hundred seventy-two".