6648501992 has 32 divisors (see below), whose sum is σ = 14190482880. Its totient is φ = 2890652160.

The previous prime is 6648501971. The next prime is 6648502009. The reversal of 6648501992 is 2991058466.

It is a self number, because there is not a number n which added to its sum of digits gives 6648501992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640393 + ... + 1644440.

It is an arithmetic number, because the mean of its divisors is an integer number (443452590).

Almost surely, 2^6648501992 is an apocalyptic number.

It is an amenable number.

6648501992 is an abundant number, since it is smaller than the sum of its proper divisors (7541980888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6648501992 is a wasteful number, since it uses less digits than its factorization.

6648501992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284873 (or 3284869 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 6648501992 is about 81538.3467578292. The cubic root of 6648501992 is about 1880.3611415767.

The spelling of 6648501992 in words is "six billion, six hundred forty-eight million, five hundred one thousand, nine hundred ninety-two".