2091680676 has 36 divisors (see below), whose sum is σ = 5351014032. Its totient is φ = 688825584.

The previous prime is 2091680671. The next prime is 2091680741. The reversal of 2091680676 is 6760861902.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2091680671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347026 + ... + 353001.

Almost surely, 2^2091680676 is an apocalyptic number.

It is an amenable number.

2091680676 is an abundant number, since it is smaller than the sum of its proper divisors (3259333356).

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

2091680676 is a wasteful number, since it uses less digits than its factorization.

2091680676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700120 (or 700115 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2091680676 is about 45734.8956049973. The cubic root of 2091680676 is about 1278.8858868388.

The spelling of 2091680676 in words is "two billion, ninety-one million, six hundred eighty thousand, six hundred seventy-six".