66132252 has 18 divisors (see below), whose sum is σ = 167167728. Its totient is φ = 22044072.

The previous prime is 66132247. The next prime is 66132263. The reversal of 66132252 is 25223166.

66132252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918468 + ... + 918539.

It is an arithmetic number, because the mean of its divisors is an integer number (9287096).

Almost surely, 2^66132252 is an apocalyptic number.

It is an amenable number.

66132252 is an abundant number, since it is smaller than the sum of its proper divisors (101035476).

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

66132252 is a wasteful number, since it uses less digits than its factorization.

66132252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837017 (or 1837012 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 66132252 is about 8132.1738791051. The cubic root of 66132252 is about 404.3937523066.

The spelling of 66132252 in words is "sixty-six million, one hundred thirty-two thousand, two hundred fifty-two".