158873163 has 4 divisors (see below), whose sum is σ = 211830888. Its totient is φ = 105915440.

The previous prime is 158873149. The next prime is 158873173. The reversal of 158873163 is 361378851.

158873163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361378851 = 3 ⋅120459617.

It is a cyclic number.

It is not a de Polignac number, because 158873163 - 2⁵ = 158873131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158873123) 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, 26478858 + ... + 26478863.

It is an arithmetic number, because the mean of its divisors is an integer number (52957722).

Almost surely, 2^158873163 is an apocalyptic number.

158873163 is a deficient number, since it is larger than the sum of its proper divisors (52957725).

158873163 is an equidigital number, since it uses as much as digits as its factorization.

158873163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52957724.

The product of its digits is 120960, while the sum is 42.

The square root of 158873163 is about 12604.4897953071. The cubic root of 158873163 is about 541.6060587441.

The spelling of 158873163 in words is "one hundred fifty-eight million, eight hundred seventy-three thousand, one hundred sixty-three".