166353 has 12 divisors (see below), whose sum is σ = 245424. Its totient is φ = 99400.

The previous prime is 166351. The next prime is 166357. The reversal of 166353 is 353661.

It is not a de Polignac number, because 166353 - 2¹ = 166351 is a prime.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2308 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (20452).

2¹⁶⁶³⁵³ is an apocalyptic number.

It is an amenable number.

166353 is a deficient number, since it is larger than the sum of its proper divisors (79071).

166353 is an equidigital number, since it uses as much as digits as its factorization.

166353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 85 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 166353 is about 407.8639479042. The cubic root of 166353 is about 54.9975756507.

The spelling of 166353 in words is "one hundred sixty-six thousand, three hundred fifty-three".