6694354211328 has 400 divisors, whose sum is σ = 23110503958080. Its totient is φ = 1889621581824.

The previous prime is 6694354211309. The next prime is 6694354211417. The reversal of 6694354211328 is 8231124534966.

It is a happy number.

6694354211328 is a `hidden beast` number, since 6 + 6 + 94 + 3 + 542 + 1 + 1 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 23956318 + ... + 24234146.

Almost surely, 2^{6694354211328} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694354211328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11555251979040).

6694354211328 is an abundant number, since it is smaller than the sum of its proper divisors (16416149746752).

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

6694354211328 is an equidigital number, since it uses as much as digits as its factorization.

6694354211328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277949 (or 277924 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 6694354211328 in words is "six trillion, six hundred ninety-four billion, three hundred fifty-four million, two hundred eleven thousand, three hundred twenty-eight".