2081710116 has 18 divisors (see below), whose sum is σ = 5262100662. Its totient is φ = 693903360.

The previous prime is 2081710087. The next prime is 2081710133. The reversal of 2081710116 is 6110171802.

It can be written as a sum of positive squares in only one way, i.e., 1104897600 + 976812516 = 33240^2 + 31254^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2081710116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28912605 + ... + 28912676.

Almost surely, 2^2081710116 is an apocalyptic number.

It is an amenable number.

2081710116 is an abundant number, since it is smaller than the sum of its proper divisors (3180390546).

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

2081710116 is a wasteful number, since it uses less digits than its factorization.

2081710116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57825291 (or 57825286 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 2081710116 is about 45625.7615388500. The cubic root of 2081710116 is about 1276.8505980028.

Adding to 2081710116 its reverse (6110171802), we get a palindrome (8191881918).

The spelling of 2081710116 in words is "two billion, eighty-one million, seven hundred ten thousand, one hundred sixteen".