6664655396 has 24 divisors (see below), whose sum is σ = 13339138176. Its totient is φ = 2854175040.

The previous prime is 6664655369. The next prime is 6664655429. The reversal of 6664655396 is 6935564666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48785 + ... + 125336.

It is an arithmetic number, because the mean of its divisors is an integer number (555797424).

Almost surely, 2^6664655396 is an apocalyptic number.

It is an amenable number.

6664655396 is an abundant number, since it is smaller than the sum of its proper divisors (6674482780).

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

6664655396 is a wasteful number, since it uses less digits than its factorization.

6664655396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175499 (or 175497 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 56.

The square root of 6664655396 is about 81637.3406965220. The cubic root of 6664655396 is about 1881.8827709093.

The spelling of 6664655396 in words is "six billion, six hundred sixty-four million, six hundred fifty-five thousand, three hundred ninety-six".