2091806760 has 128 divisors (see below), whose sum is σ = 6565536000. Its totient is φ = 532156416.

The previous prime is 2091806711. The next prime is 2091806777. The reversal of 2091806760 is 676081902.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1404096 + ... + 1405584.

It is an arithmetic number, because the mean of its divisors is an integer number (51293250).

Almost surely, 2^2091806760 is an apocalyptic number.

2091806760 is a gapful number since it is divisible by the number (20) 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 2091806760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282768000).

2091806760 is an abundant number, since it is smaller than the sum of its proper divisors (4473729240).

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

2091806760 is a wasteful number, since it uses less digits than its factorization.

2091806760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2091806760 is about 45736.2740065257. The cubic root of 2091806760 is about 1278.9115828911.

The spelling of 2091806760 in words is "two billion, ninety-one million, eight hundred six thousand, seven hundred sixty".