66548 has 12 divisors (see below), whose sum is σ = 118272. Its totient is φ = 32760.

The previous prime is 66541. The next prime is 66553. The reversal of 66548 is 84566.

It is a self number, because there is not a number n which added to its sum of digits gives 66548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 573.

It is an arithmetic number, because the mean of its divisors is an integer number (9856).

2⁶⁶⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

66548 is a deficient number, since it is larger than the sum of its proper divisors (51724).

66548 is a wasteful number, since it uses less digits than its factorization.

66548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 66548 is about 257.9689903845. The cubic root of 66548 is about 40.5239405271.

The spelling of 66548 in words is "sixty-six thousand, five hundred forty-eight".