166453 has 12 divisors (see below), whose sum is σ = 200640. Its totient is φ = 137592.

The previous prime is 166429. The next prime is 166457. The reversal of 166453 is 354661.

It is not a de Polignac number, because 166453 - 2⁹ = 165941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166457) 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, 2068 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (16720).

2¹⁶⁶⁴⁵³ is an apocalyptic number.

It is an amenable number.

166453 is a deficient number, since it is larger than the sum of its proper divisors (34187).

166453 is an equidigital number, since it uses as much as digits as its factorization.

166453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 129 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 166453 is about 407.9865193851. The cubic root of 166453 is about 55.0085936985.

The spelling of 166453 in words is "one hundred sixty-six thousand, four hundred fifty-three".