66652 has 12 divisors (see below), whose sum is σ = 122920. Its totient is φ = 31536.

The previous prime is 66643. The next prime is 66653. The reversal of 66652 is 25666.

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66653) 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, 363 + ... + 514.

2⁶⁶⁶⁵² is an apocalyptic number.

It is an amenable number.

66652 is a deficient number, since it is larger than the sum of its proper divisors (56268).

66652 is a wasteful number, since it uses less digits than its factorization.

66652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 66652 is about 258.1704863070. The cubic root of 66652 is about 40.5450395648.

The spelling of 66652 in words is "sixty-six thousand, six hundred fifty-two".