162158 has 8 divisors (see below), whose sum is σ = 246240. Its totient is φ = 80080.

The previous prime is 162143. The next prime is 162209. The reversal of 162158 is 851261.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162158.

It is an unprimeable number.

162158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 633.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2¹⁶²¹⁵⁸ is an apocalyptic number.

162158 is a deficient number, since it is larger than the sum of its proper divisors (84082).

162158 is an equidigital number, since it uses as much as digits as its factorization.

162158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 480, while the sum is 23.

The square root of 162158 is about 402.6884651936. The cubic root of 162158 is about 54.5313345606.

The spelling of 162158 in words is "one hundred sixty-two thousand, one hundred fifty-eight".