66033532 has 12 divisors (see below), whose sum is σ = 115819200. Its totient is φ = 32942336.

The previous prime is 66033521. The next prime is 66033533. The reversal of 66033532 is 23533066.

It is a self number, because there is not a number n which added to its sum of digits gives 66033532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66033533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16588 + ... + 20179.

It is an arithmetic number, because the mean of its divisors is an integer number (9651600).

Almost surely, 2^66033532 is an apocalyptic number.

It is an amenable number.

66033532 is a deficient number, since it is larger than the sum of its proper divisors (49785668).

66033532 is a wasteful number, since it uses less digits than its factorization.

66033532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37220 (or 37218 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 66033532 is about 8126.1018945125. The cubic root of 66033532 is about 404.1924303034.

Adding to 66033532 its reverse (23533066), we get a palindrome (89566598).

The spelling of 66033532 in words is "sixty-six million, thirty-three thousand, five hundred thirty-two".