66468 has 24 divisors (see below), whose sum is σ = 161280. Its totient is φ = 21280.

The previous prime is 66467. The next prime is 66491. The reversal of 66468 is 86466.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (66463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

2⁶⁶⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80640).

66468 is an abundant number, since it is smaller than the sum of its proper divisors (94812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66468 is a wasteful number, since it uses less digits than its factorization.

66468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 66468 is about 257.8138863599. The cubic root of 66468 is about 40.5076955351.

The spelling of 66468 in words is "sixty-six thousand, four hundred sixty-eight".