523166 has 8 divisors (see below), whose sum is σ = 896880. Its totient is φ = 224208.

The previous prime is 523129. The next prime is 523169. The reversal of 523166 is 661325.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18671 + ... + 18698.

It is an arithmetic number, because the mean of its divisors is an integer number (112110).

2⁵²³¹⁶⁶ is an apocalyptic number.

523166 is a deficient number, since it is larger than the sum of its proper divisors (373714).

523166 is a wasteful number, since it uses less digits than its factorization.

523166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37378.

The product of its digits is 1080, while the sum is 23.

The square root of 523166 is about 723.3021498655. The cubic root of 523166 is about 80.5773853024.

The spelling of 523166 in words is "five hundred twenty-three thousand, one hundred sixty-six".