6650729332 has 36 divisors (see below), whose sum is σ = 12896083200. Its totient is φ = 2998168992.

The previous prime is 6650729321. The next prime is 6650729333. The reversal of 6650729332 is 2339270566.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650729333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85332 + ... + 143467.

Almost surely, 2^6650729332 is an apocalyptic number.

It is an amenable number.

6650729332 is a deficient number, since it is larger than the sum of its proper divisors (6245353868).

6650729332 is a wasteful number, since it uses less digits than its factorization.

6650729332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228872 (or 228857 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 6650729332 is about 81552.0038503040. The cubic root of 6650729332 is about 1880.5711004504.

Adding to 6650729332 its reverse (2339270566), we get a palindrome (8989999898).

The spelling of 6650729332 in words is "six billion, six hundred fifty million, seven hundred twenty-nine thousand, three hundred thirty-two".