6775634921216 has 144 divisors (see below), whose sum is σ = 15496545904896. Its totient is φ = 2896409346048.

The previous prime is 6775634921197. The next prime is 6775634921219. The reversal of 6775634921216 is 6121294365776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775634921219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279143080 + ... + 1279148376.

Almost surely, 2^{6775634921216} 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 6775634921216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7748272952448).

6775634921216 is an abundant number, since it is smaller than the sum of its proper divisors (8720910983680).

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

6775634921216 is an equidigital number, since it uses as much as digits as its factorization.

6775634921216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014 (or 7000 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 59.

The spelling of 6775634921216 in words is "six trillion, seven hundred seventy-five billion, six hundred thirty-four million, nine hundred twenty-one thousand, two hundred sixteen".