2105016616 has 16 divisors (see below), whose sum is σ = 3949377300. Its totient is φ = 1051849344.

The previous prime is 2105016607. The next prime is 2105016637. The reversal of 2105016616 is 6166105012.

It can be written as a sum of positive squares in 2 ways, for example, as 2092696516 + 12320100 = 45746^2 + 3510^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68661 + ... + 94468.

Almost surely, 2^2105016616 is an apocalyptic number.

It is an amenable number.

2105016616 is a deficient number, since it is larger than the sum of its proper divisors (1844360684).

2105016616 is a wasteful number, since it uses less digits than its factorization.

2105016616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164748 (or 164744 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2105016616 is about 45880.4600674405. The cubic root of 2105016616 is about 1281.5980642275.

The spelling of 2105016616 in words is "two billion, one hundred five million, sixteen thousand, six hundred sixteen".