166293 has 10 divisors (see below), whose sum is σ = 248534. Its totient is φ = 110808.

The previous prime is 166289. The next prime is 166297. The reversal of 166293 is 392661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166289) and next prime (166297).

It can be written as a sum of positive squares in only one way, i.e., 142884 + 23409 = 378^2 + 153^2 .

It is not a de Polignac number, because 166293 - 2^{2} = 166289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 166293.

It is not an unprimeable number, because it can be changed into a prime (166297) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 946 + ... + 1107.

2^{166293} is an apocalyptic number.

It is an amenable number.

166293 is a deficient number, since it is larger than the sum of its proper divisors (82241).

166293 is an equidigital number, since it uses as much as digits as its factorization.

166293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2056 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 166293 is about 407.7903873315. The cubic root of 166293 is about 54.9909627025.

The spelling of 166293 in words is "one hundred sixty-six thousand, two hundred ninety-three".

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