166734 has 24 divisors (see below), whose sum is σ = 369720. Its totient is φ = 54288.

The previous prime is 166723. The next prime is 166739. The reversal of 166734 is 437661.

166734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166698 and 166707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166739) by changing a digit.

166734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (15405).

2¹⁶⁶⁷³⁴ is an apocalyptic number.

166734 is an abundant number, since it is smaller than the sum of its proper divisors (202986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166734 is a wasteful number, since it uses less digits than its factorization.

166734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 166734 is about 408.3307482911. The cubic root of 166734 is about 55.0395308094.

It can be divided in two parts, 166 and 734, that added together give a square (900 = 30²).

The spelling of 166734 in words is "one hundred sixty-six thousand, seven hundred thirty-four".