675166 has 4 divisors (see below), whose sum is σ = 1012752. Its totient is φ = 337582.

The previous prime is 675163. The next prime is 675173. The reversal of 675166 is 661576.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) 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 (675161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168790 + ... + 168793.

It is an arithmetic number, because the mean of its divisors is an integer number (253188).

2⁶⁷⁵¹⁶⁶ is an apocalyptic number.

675166 is a deficient number, since it is larger than the sum of its proper divisors (337586).

675166 is a wasteful number, since it uses less digits than its factorization.

675166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337585.

The product of its digits is 7560, while the sum is 31.

The square root of 675166 is about 821.6848544302. The cubic root of 675166 is about 87.7277224747.

It can be divided in two parts, 675 and 166, that added together give a square (841 = 29²).

The spelling of 675166 in words is "six hundred seventy-five thousand, one hundred sixty-six".