6639910199296 has 56 divisors (see below), whose sum is σ = 14486192774064. Its totient is φ = 3018140958720.

The previous prime is 6639910199267. The next prime is 6639910199311. The reversal of 6639910199296 is 6929910199366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36752430 + ... + 36932653.

Almost surely, 2^{6639910199296} is an apocalyptic number.

It is an amenable number.

6639910199296 is an abundant number, since it is smaller than the sum of its proper divisors (7846282574768).

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

6639910199296 is an equidigital number, since it uses as much as digits as its factorization.

6639910199296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73685120 (or 73685096 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 70.

Adding to 6639910199296 its sum of digits (70), we get a palindrome (6639910199366).

The spelling of 6639910199296 in words is "six trillion, six hundred thirty-nine billion, nine hundred ten million, one hundred ninety-nine thousand, two hundred ninety-six".