6813787168 has 48 divisors (see below), whose sum is σ = 14051511936. Its totient is φ = 3246284800.

The previous prime is 6813787159. The next prime is 6813787177. The reversal of 6813787168 is 8617873186.

It is an interprime number because it is at equal distance from previous prime (6813787159) and next prime (6813787177).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175968 + ... + 211168.

It is an arithmetic number, because the mean of its divisors is an integer number (292739832).

Almost surely, 2^6813787168 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 6813787168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7025755968).

6813787168 is an abundant number, since it is smaller than the sum of its proper divisors (7237724768).

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

6813787168 is a wasteful number, since it uses less digits than its factorization.

6813787168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35497 (or 35489 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 55.

The square root of 6813787168 is about 82545.6671667266. The cubic root of 6813787168 is about 1895.8160164960.

The spelling of 6813787168 in words is "six billion, eight hundred thirteen million, seven hundred eighty-seven thousand, one hundred sixty-eight".