6648223172 has 24 divisors (see below), whose sum is σ = 12040654080. Its totient is φ = 3208589280.

The previous prime is 6648223171. The next prime is 6648223181. The reversal of 6648223172 is 2713228466.

It is not an unprimeable number, because it can be changed into a prime (6648223171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20678 + ... + 117149.

It is an arithmetic number, because the mean of its divisors is an integer number (501693920).

Almost surely, 2^6648223172 is an apocalyptic number.

6648223172 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6648223172 is a deficient number, since it is larger than the sum of its proper divisors (5392430908).

6648223172 is a wasteful number, since it uses less digits than its factorization.

6648223172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138251 (or 138249 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 6648223172 is about 81536.6369922135. The cubic root of 6648223172 is about 1880.3348554738.

The spelling of 6648223172 in words is "six billion, six hundred forty-eight million, two hundred twenty-three thousand, one hundred seventy-two".