6911386768 has 80 divisors (see below), whose sum is σ = 15749991936. Its totient is φ = 2896542720.

The previous prime is 6911386753. The next prime is 6911386777. The reversal of 6911386768 is 8676831196.

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 15 ways as a sum of consecutive naturals, for example, 3790305 + ... + 3792127.

Almost surely, 2^6911386768 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 6911386768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7874995968).

6911386768 is an abundant number, since it is smaller than the sum of its proper divisors (8838605168).

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

6911386768 is a wasteful number, since it uses less digits than its factorization.

6911386768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3506 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 6911386768 is about 83134.7506642078. The cubic root of 6911386768 is about 1904.8249270660.

The spelling of 6911386768 in words is "six billion, nine hundred eleven million, three hundred eighty-six thousand, seven hundred sixty-eight".