6911272816 has 60 divisors (see below), whose sum is σ = 15635193480. Its totient is φ = 2950872960.

The previous prime is 6911272759. The next prime is 6911272831. The reversal of 6911272816 is 6182721196.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194511 + ... + 227281.

It is an arithmetic number, because the mean of its divisors is an integer number (260586558).

Almost surely, 2^6911272816 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 6911272816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7817596740).

6911272816 is an abundant number, since it is smaller than the sum of its proper divisors (8723920664).

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

6911272816 is a wasteful number, since it uses less digits than its factorization.

6911272816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33062 (or 33049 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 6911272816 is about 83134.0653162108. The cubic root of 6911272816 is about 1904.8144583613.

The spelling of 6911272816 in words is "six billion, nine hundred eleven million, two hundred seventy-two thousand, eight hundred sixteen".