2016705609 has 24 divisors (see below), whose sum is σ = 3042486720. Its totient is φ = 1285949088.

The previous prime is 2016705599. The next prime is 2016705641. The reversal of 2016705609 is 9065076102.

2016705609 is a `hidden beast` number, since 20 + 1 + 6 + 70 + 560 + 9 = 666.

It is not a de Polignac number, because 2016705609 - 2⁵ = 2016705577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2016705659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31677 + ... + 70970.

It is an arithmetic number, because the mean of its divisors is an integer number (126770280).

Almost surely, 2^2016705609 is an apocalyptic number.

It is an amenable number.

2016705609 is a deficient number, since it is larger than the sum of its proper divisors (1025781111).

2016705609 is a wasteful number, since it uses less digits than its factorization.

2016705609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102749 (or 102746 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2016705609 is about 44907.7455345957. The cubic root of 2016705609 is about 1263.4192859435.

The spelling of 2016705609 in words is "two billion, sixteen million, seven hundred five thousand, six hundred nine".