168358 has 4 divisors (see below), whose sum is σ = 252540. Its totient is φ = 84178.

The previous prime is 168353. The next prime is 168391. The reversal of 168358 is 853861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853861 = 883 ⋅967.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42088 + ... + 42091.

It is an arithmetic number, because the mean of its divisors is an integer number (63135).

2¹⁶⁸³⁵⁸ is an apocalyptic number.

168358 is a deficient number, since it is larger than the sum of its proper divisors (84182).

168358 is an equidigital number, since it uses as much as digits as its factorization.

168358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84181.

The product of its digits is 5760, while the sum is 31.

The square root of 168358 is about 410.3145135137. The cubic root of 168358 is about 55.2176499605.

The spelling of 168358 in words is "one hundred sixty-eight thousand, three hundred fifty-eight".