6694355712 has 288 divisors, whose sum is σ = 20514041856. Its totient is φ = 1918259200.

The previous prime is 6694355711. The next prime is 6694355741. The reversal of 6694355712 is 2175534966.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6694355711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25453693 + ... + 25453955.

It is an arithmetic number, because the mean of its divisors is an integer number (71229312).

Almost surely, 2^6694355712 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 6694355712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10257020928).

6694355712 is an abundant number, since it is smaller than the sum of its proper divisors (13819686144).

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

6694355712 is a wasteful number, since it uses less digits than its factorization.

6694355712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 433 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 6694355712 is about 81819.0424778975. The cubic root of 6694355712 is about 1884.6740976065.

The spelling of 6694355712 in words is "six billion, six hundred ninety-four million, three hundred fifty-five thousand, seven hundred twelve".