6664822272 has 60 divisors (see below), whose sum is σ = 19235141640. Its totient is φ = 2221605888.

The previous prime is 6664822259. The next prime is 6664822289. The reversal of 6664822272 is 2722284666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 718572 + ... + 727787.

It is an arithmetic number, because the mean of its divisors is an integer number (320585694).

Almost surely, 2^6664822272 is an apocalyptic number.

It is an amenable number.

6664822272 is an abundant number, since it is smaller than the sum of its proper divisors (12570319368).

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

6664822272 is a wasteful number, since it uses less digits than its factorization.

6664822272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446383 (or 1446364 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 6664822272 is about 81638.3627469341. The cubic root of 6664822272 is about 1881.8984775703.

The spelling of 6664822272 in words is "six billion, six hundred sixty-four million, eight hundred twenty-two thousand, two hundred seventy-two".