158606 has 8 divisors (see below), whose sum is σ = 271920. Its totient is φ = 67968.

The previous prime is 158597. The next prime is 158611. The reversal of 158606 is 606851.

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

It is a congruent number.

It is an unprimeable number.

158606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5651 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (33990).

2¹⁵⁸⁶⁰⁶ is an apocalyptic number.

158606 is a deficient number, since it is larger than the sum of its proper divisors (113314).

158606 is a wasteful number, since it uses less digits than its factorization.

158606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 158606 is about 398.2536879930. The cubic root of 158606 is about 54.1302298015.

The spelling of 158606 in words is "one hundred fifty-eight thousand, six hundred six".