206158 has 4 divisors (see below), whose sum is σ = 309240. Its totient is φ = 103078.

The previous prime is 206153. The next prime is 206177. The reversal of 206158 is 851602.

It is a happy number.

206158 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: 851602 = 2 ⋅425801.

It is a super-2 number, since 2×206158² = 85002241928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51538 + ... + 51541.

It is an arithmetic number, because the mean of its divisors is an integer number (77310).

2²⁰⁶¹⁵⁸ is an apocalyptic number.

206158 is a deficient number, since it is larger than the sum of its proper divisors (103082).

206158 is a wasteful number, since it uses less digits than its factorization.

206158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103081.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 206158 is about 454.0462531505. The cubic root of 206158 is about 59.0745013078.

The spelling of 206158 in words is "two hundred six thousand, one hundred fifty-eight".