168172073434167 has 64 divisors (see below), whose sum is σ = 259468926013440. Its totient is φ = 95815494777600.

The previous prime is 168172073434163. The next prime is 168172073434291. The reversal of 168172073434167 is 761434370271861.

It is not a de Polignac number, because 168172073434167 - 2² = 168172073434163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168172073434167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168172073434163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1723431883 + ... + 1723529459.

It is an arithmetic number, because the mean of its divisors is an integer number (4054201968960).

Almost surely, 2^{168172073434167} is an apocalyptic number.

168172073434167 is a deficient number, since it is larger than the sum of its proper divisors (91296852579273).

168172073434167 is a wasteful number, since it uses less digits than its factorization.

168172073434167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118724.

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 168172073434167 in words is "one hundred sixty-eight trillion, one hundred seventy-two billion, seventy-three million, four hundred thirty-four thousand, one hundred sixty-seven".