6650657252 has 12 divisors (see below), whose sum is σ = 11698955436. Its totient is φ = 3308098560.

The previous prime is 6650657243. The next prime is 6650657257. The reversal of 6650657252 is 2527560566.

It can be written as a sum of positive squares in 2 ways, for example, as 2974175296 + 3676481956 = 54536^2 + 60634^2 .

It is not an unprimeable number, because it can be changed into a prime (6650657257) 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, 4306649 + ... + 4308192.

It is an arithmetic number, because the mean of its divisors is an integer number (974912953).

Almost surely, 2^6650657252 is an apocalyptic number.

It is an amenable number.

6650657252 is a deficient number, since it is larger than the sum of its proper divisors (5048298184).

6650657252 is a wasteful number, since it uses less digits than its factorization.

6650657252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615038 (or 8615036 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 6650657252 is about 81551.5619225040. The cubic root of 6650657252 is about 1880.5643066063.

The spelling of 6650657252 in words is "six billion, six hundred fifty million, six hundred fifty-seven thousand, two hundred fifty-two".