168158 has 8 divisors (see below), whose sum is σ = 255528. Its totient is φ = 82984.

The previous prime is 168151. The next prime is 168193. The reversal of 168158 is 851861.

168158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×168158² = 56554225928, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 168158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (31941).

2¹⁶⁸¹⁵⁸ is an apocalyptic number.

168158 is a deficient number, since it is larger than the sum of its proper divisors (87370).

168158 is a wasteful number, since it uses less digits than its factorization.

168158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its digits is 1920, while the sum is 29.

The square root of 168158 is about 410.0707256072. The cubic root of 168158 is about 55.1957761243.

The spelling of 168158 in words is "one hundred sixty-eight thousand, one hundred fifty-eight".