166726 has 8 divisors (see below), whose sum is σ = 285840. Its totient is φ = 71448.

The previous prime is 166723. The next prime is 166739. The reversal of 166726 is 627661.

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

It is a junction number, because it is equal to n+sod(n) for n = 166694 and 166703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166723) 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, 5941 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (35730).

2¹⁶⁶⁷²⁶ is an apocalyptic number.

166726 is a deficient number, since it is larger than the sum of its proper divisors (119114).

166726 is a wasteful number, since it uses less digits than its factorization.

166726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918.

The product of its digits is 3024, while the sum is 28.

The square root of 166726 is about 408.3209521932. The cubic root of 166726 is about 55.0386505185.

The spelling of 166726 in words is "one hundred sixty-six thousand, seven hundred twenty-six".