168161371 has 8 divisors (see below), whose sum is σ = 193259520. Its totient is φ = 143332008.

The previous prime is 168161369. The next prime is 168161429. The reversal of 168161371 is 173161861.

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

It is a cyclic number.

It is not a de Polignac number, because 168161371 - 2¹ = 168161369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168161311) 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 7 ways as a sum of consecutive naturals, for example, 65851 + ... + 68356.

It is an arithmetic number, because the mean of its divisors is an integer number (24157440).

Almost surely, 2^168161371 is an apocalyptic number.

168161371 is a deficient number, since it is larger than the sum of its proper divisors (25098149).

168161371 is a wasteful number, since it uses less digits than its factorization.

168161371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134393.

The product of its digits is 6048, while the sum is 34.

The square root of 168161371 is about 12967.7049241568. The cubic root of 168161371 is about 551.9614495149.

The spelling of 168161371 in words is "one hundred sixty-eight million, one hundred sixty-one thousand, three hundred seventy-one".