6396656645882 has 8 divisors (see below), whose sum is σ = 10159395849396. Its totient is φ = 3010191362752.

The previous prime is 6396656645879. The next prime is 6396656645891. The reversal of 6396656645882 is 2885466566936.

It can be written as a sum of positive squares in 2 ways, for example, as 5926649049841 + 470007596041 = 2434471^2 + 685571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94068480053 + ... + 94068480120.

Almost surely, 2^{6396656645882} is an apocalyptic number.

6396656645882 is a deficient number, since it is larger than the sum of its proper divisors (3762739203514).

6396656645882 is a wasteful number, since it uses less digits than its factorization.

6396656645882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188136960192.

The product of its digits is 2687385600, while the sum is 74.

The spelling of 6396656645882 in words is "six trillion, three hundred ninety-six billion, six hundred fifty-six million, six hundred forty-five thousand, eight hundred eighty-two".