6648318142 has 12 divisors (see below), whose sum is σ = 10138651848. Its totient is φ = 3269661000.

The previous prime is 6648318133. The next prime is 6648318167. The reversal of 6648318142 is 2418138466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439234 + ... + 454117.

It is an arithmetic number, because the mean of its divisors is an integer number (844887654).

Almost surely, 2^6648318142 is an apocalyptic number.

6648318142 is a deficient number, since it is larger than the sum of its proper divisors (3490333706).

6648318142 is an equidigital number, since it uses as much as digits as its factorization.

6648318142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893475 (or 893414 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 6648318142 is about 81537.2193663728. The cubic root of 6648318142 is about 1880.3438089714.

The spelling of 6648318142 in words is "six billion, six hundred forty-eight million, three hundred eighteen thousand, one hundred forty-two".