158816 has 24 divisors (see below), whose sum is σ = 357840. Its totient is φ = 67968.

The previous prime is 158803. The next prime is 158843. The reversal of 158816 is 618851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 578.

It is an arithmetic number, because the mean of its divisors is an integer number (14910).

2¹⁵⁸⁸¹⁶ is an apocalyptic number.

158816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

158816 is an abundant number, since it is smaller than the sum of its proper divisors (199024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158816 is an equidigital number, since it uses as much as digits as its factorization.

158816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 718 counting only the distinct ones).

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

The square root of 158816 is about 398.5172518223. The cubic root of 158816 is about 54.1541093837.

The spelling of 158816 in words is "one hundred fifty-eight thousand, eight hundred sixteen".