6809861160 has 384 divisors, whose sum is σ = 24304250880. Its totient is φ = 1711404288.

The previous prime is 6809861159. The next prime is 6809861167. The reversal of 6809861160 is 611689086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6809861167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18555297 + ... + 18555663.

It is an arithmetic number, because the mean of its divisors is an integer number (63292320).

Almost surely, 2^6809861160 is an apocalyptic number.

6809861160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6809861160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12152125440).

6809861160 is an abundant number, since it is smaller than the sum of its proper divisors (17494389720).

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

6809861160 is a wasteful number, since it uses less digits than its factorization.

6809861160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 6809861160 is about 82521.8829159878. The cubic root of 6809861160 is about 1895.4518323970.

The spelling of 6809861160 in words is "six billion, eight hundred nine million, eight hundred sixty-one thousand, one hundred sixty".