66230 has 16 divisors (see below), whose sum is σ = 123120. Its totient is φ = 25632.

The previous prime is 66221. The next prime is 66239. The reversal of 66230 is 3266.

It is an interprime number because it is at equal distance from previous prime (66221) and next prime (66239).

It is a junction number, because it is equal to n+sod(n) for n = 66199 and 66208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66239) by changing a digit.

66230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 281 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (7695).

2⁶⁶²³⁰ is an apocalyptic number.

66230 is a deficient number, since it is larger than the sum of its proper divisors (56890).

66230 is a wasteful number, since it uses less digits than its factorization.

66230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 66230 is about 257.3518991576. The cubic root of 66230 is about 40.4592894782.

Adding to 66230 its reverse (3266), we get a palindrome (69496).

The spelling of 66230 in words is "sixty-six thousand, two hundred thirty".