853166 has 4 divisors (see below), whose sum is σ = 1279752. Its totient is φ = 426582.

The previous prime is 853159. The next prime is 853187. The reversal of 853166 is 661358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661358 = 2 ⋅330679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213290 + ... + 213293.

It is an arithmetic number, because the mean of its divisors is an integer number (319938).

2⁸⁵³¹⁶⁶ is an apocalyptic number.

853166 is a deficient number, since it is larger than the sum of its proper divisors (426586).

853166 is a wasteful number, since it uses less digits than its factorization.

853166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426585.

The product of its digits is 4320, while the sum is 29.

The square root of 853166 is about 923.6698544393. The cubic root of 853166 is about 94.8442878518.

The spelling of 853166 in words is "eight hundred fifty-three thousand, one hundred sixty-six".