6378266628736 has 16 divisors (see below), whose sum is σ = 12706703049690. Its totient is φ = 3189133314304.

The previous prime is 6378266628731. The next prime is 6378266628857.

6378266628736 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 6288338614336 + 89928014400 = 2507656^2 + 299880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (6378266628731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24915103891 + ... + 24915104146.

Almost surely, 2^{6378266628736} is an apocalyptic number.

It is an amenable number.

6378266628736 is a deficient number, since it is larger than the sum of its proper divisors (6328436420954).

6378266628736 is an equidigital number, since it uses as much as digits as its factorization.

6378266628736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830208051 (or 49830208039 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 70.

The spelling of 6378266628736 in words is "six trillion, three hundred seventy-eight billion, two hundred sixty-six million, six hundred twenty-eight thousand, seven hundred thirty-six".