2106557016 has 16 divisors (see below), whose sum is σ = 5266392600. Its totient is φ = 702185664.

The previous prime is 2106557009. The next prime is 2106557021. The reversal of 2106557016 is 6107556012.

2106557016 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43886581 + ... + 43886628.

Almost surely, 2^2106557016 is an apocalyptic number.

It is an amenable number.

2106557016 is an abundant number, since it is smaller than the sum of its proper divisors (3159835584).

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

2106557016 is a wasteful number, since it uses less digits than its factorization.

2106557016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87773218 (or 87773214 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2106557016 is about 45897.2441002725. The cubic root of 2106557016 is about 1281.9106021094.

The spelling of 2106557016 in words is "two billion, one hundred six million, five hundred fifty-seven thousand, sixteen".