66532 has 6 divisors (see below), whose sum is σ = 116438. Its totient is φ = 33264.

The previous prime is 66529. The next prime is 66533. The reversal of 66532 is 23566.

It can be written as a sum of positive squares in only one way, i.e., 45796 + 20736 = 214^2 + 144^2 .

It is a d-powerful number, because it can be written as 6² + 6⁶ + 5³ + 3⁹ + 2⁵ .

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (66533) by changing a digit.

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 as a sum of consecutive naturals, namely, 8313 + ... + 8320.

2⁶⁶⁵³² is an apocalyptic number.

It is an amenable number.

66532 is a deficient number, since it is larger than the sum of its proper divisors (49906).

66532 is a wasteful number, since it uses less digits than its factorization.

66532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16637 (or 16635 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 66532 is about 257.9379770410. The cubic root of 66532 is about 40.5206925706.

The spelling of 66532 in words is "sixty-six thousand, five hundred thirty-two".