6658947532 has 12 divisors (see below), whose sum is σ = 12338638200. Its totient is φ = 3133622336.

The previous prime is 6658947521. The next prime is 6658947539. The reversal of 6658947532 is 2357498566.

It is not an unprimeable number, because it can be changed into a prime (6658947539) 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, 48962782 + ... + 48962917.

It is an arithmetic number, because the mean of its divisors is an integer number (1028219850).

Almost surely, 2^6658947532 is an apocalyptic number.

It is an amenable number.

6658947532 is a deficient number, since it is larger than the sum of its proper divisors (5679690668).

6658947532 is a wasteful number, since it uses less digits than its factorization.

6658947532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97925720 (or 97925718 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The square root of 6658947532 is about 81602.3745487838. The cubic root of 6658947532 is about 1881.3453788399.

The spelling of 6658947532 in words is "six billion, six hundred fifty-eight million, nine hundred forty-seven thousand, five hundred thirty-two".