66532252 has 12 divisors (see below), whose sum is σ = 117349120. Its totient is φ = 33003936.

The previous prime is 66532247. The next prime is 66532289. The reversal of 66532252 is 25223566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64977 + ... + 65992.

Almost surely, 2^66532252 is an apocalyptic number.

It is an amenable number.

66532252 is a deficient number, since it is larger than the sum of its proper divisors (50816868).

66532252 is a wasteful number, since it uses less digits than its factorization.

66532252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131100 (or 131098 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 66532252 is about 8156.7304724381. The cubic root of 66532252 is about 405.2074372999.

The spelling of 66532252 in words is "sixty-six million, five hundred thirty-two thousand, two hundred fifty-two".