6662669288 has 32 divisors (see below), whose sum is σ = 13715019360. Its totient is φ = 3009190080.

The previous prime is 6662669281. The next prime is 6662669297. The reversal of 6662669288 is 8829662666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6662669281) by changing a digit.

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, 227306 + ... + 254937.

It is an arithmetic number, because the mean of its divisors is an integer number (428594355).

Almost surely, 2^6662669288 is an apocalyptic number.

It is an amenable number.

6662669288 is an abundant number, since it is smaller than the sum of its proper divisors (7052350072).

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

6662669288 is a wasteful number, since it uses less digits than its factorization.

6662669288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482417 (or 482413 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 59.

The square root of 6662669288 is about 81625.1755771465. The cubic root of 6662669288 is about 1881.6958148181.

The spelling of 6662669288 in words is "six billion, six hundred sixty-two million, six hundred sixty-nine thousand, two hundred eighty-eight".