168161373 has 16 divisors (see below), whose sum is σ = 250234560. Its totient is φ = 111609648.

The previous prime is 168161369. The next prime is 168161429. The reversal of 168161373 is 373161861.

It is not a de Polignac number, because 168161373 - 2² = 168161369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168161333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7590 + ... + 19847.

It is an arithmetic number, because the mean of its divisors is an integer number (15639660).

Almost surely, 2^168161373 is an apocalyptic number.

It is an amenable number.

168161373 is a deficient number, since it is larger than the sum of its proper divisors (82073187).

168161373 is a wasteful number, since it uses less digits than its factorization.

168161373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673 (or 27667 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 168161373 is about 12967.7050012714. The cubic root of 168161373 is about 551.9614517032.

The spelling of 168161373 in words is "one hundred sixty-eight million, one hundred sixty-one thousand, three hundred seventy-three".