166522 has 8 divisors (see below), whose sum is σ = 252000. Its totient is φ = 82524.

The previous prime is 166487. The next prime is 166541. The reversal of 166522 is 225661.

166522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 166493 and 166502.

It is an unprimeable number.

166522 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 3 ways as a sum of consecutive naturals, for example, 22 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2¹⁶⁶⁵²² is an apocalyptic number.

166522 is a deficient number, since it is larger than the sum of its proper divisors (85478).

166522 is a wasteful number, since it uses less digits than its factorization.

166522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 720, while the sum is 22.

The square root of 166522 is about 408.0710722411. The cubic root of 166522 is about 55.0161935788.

The spelling of 166522 in words is "one hundred sixty-six thousand, five hundred twenty-two".