851158 has 16 divisors (see below), whose sum is σ = 1592064. Its totient is φ = 331560.

The previous prime is 851153. The next prime is 851159.

851158 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851153) by changing a digit.

851158 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (99504).

2⁸⁵¹¹⁵⁸ is an apocalyptic number.

851158 is a deficient number, since it is larger than the sum of its proper divisors (740906).

851158 is a wasteful number, since it uses less digits than its factorization.

851158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547.

The product of its digits is 1600, while the sum is 28.

The square root of 851158 is about 922.5822456562. The cubic root of 851158 is about 94.7698213208.

The spelling of 851158 in words is "eight hundred fifty-one thousand, one hundred fifty-eight".