66848 has 12 divisors (see below), whose sum is σ = 131670. Its totient is φ = 33408.

The previous prime is 66841. The next prime is 66851. The reversal of 66848 is 84866.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 21904 = 212^2 + 148^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2089 = 66848 / (6 + 6 + 8 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (66841) by changing a digit.

66848 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013 + ... + 1076.

2⁶⁶⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

66848 is a deficient number, since it is larger than the sum of its proper divisors (64822).

66848 is a wasteful number, since it uses less digits than its factorization.

66848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 2091 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 66848 is about 258.5498017791. The cubic root of 66848 is about 40.5847435539.

The spelling of 66848 in words is "sixty-six thousand, eight hundred forty-eight".