166352 has 20 divisors (see below), whose sum is σ = 332196. Its totient is φ = 80640.

The previous prime is 166351. The next prime is 166357. The reversal of 166352 is 253661.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 33856 = 364^2 + 184^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452 + ... + 732.

2¹⁶⁶³⁵² is an apocalyptic number.

It is an amenable number.

166352 is a deficient number, since it is larger than the sum of its proper divisors (165844).

166352 is a wasteful number, since it uses less digits than its factorization.

166352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

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

The square root of 166352 is about 407.8627220034. The cubic root of 166352 is about 54.9974654479.

Adding to 166352 its sum of digits (23), we get a cube (166375 = 55³).

The spelling of 166352 in words is "one hundred sixty-six thousand, three hundred fifty-two".