66009032 has 16 divisors (see below), whose sum is σ = 123981900. Its totient is φ = 32947200.

The previous prime is 66009019. The next prime is 66009037. The reversal of 66009032 is 23090066.

It can be written as a sum of positive squares in 2 ways, for example, as 65060356 + 948676 = 8066^2 + 974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66008992 and 66009010.

It is not an unprimeable number, because it can be changed into a prime (66009037) by changing a digit.

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, 2057 + ... + 11672.

Almost surely, 2^66009032 is an apocalyptic number.

It is an amenable number.

66009032 is a deficient number, since it is larger than the sum of its proper divisors (57972868).

66009032 is a wasteful number, since it uses less digits than its factorization.

66009032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14336 (or 14332 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 66009032 is about 8124.5942667927. The cubic root of 66009032 is about 404.1424358072.

Adding to 66009032 its reverse (23090066), we get a palindrome (89099098).

The spelling of 66009032 in words is "sixty-six million, nine thousand, thirty-two".