2016710661 has 16 divisors (see below), whose sum is σ = 3100281984. Its totient is φ = 1142206464.

The previous prime is 2016710659. The next prime is 2016710669. The reversal of 2016710661 is 1660176102.

It is not a de Polignac number, because 2016710661 - 2¹ = 2016710659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016710669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 422556 + ... + 427301.

It is an arithmetic number, because the mean of its divisors is an integer number (193767624).

Almost surely, 2^2016710661 is an apocalyptic number.

2016710661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2016710661 is a deficient number, since it is larger than the sum of its proper divisors (1083571323).

2016710661 is a wasteful number, since it uses less digits than its factorization.

2016710661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849980.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2016710661 is about 44907.8017832091. The cubic root of 2016710661 is about 1263.4203409295.

Adding to 2016710661 its reverse (1660176102), we get a palindrome (3676886763).

The spelling of 2016710661 in words is "two billion, sixteen million, seven hundred ten thousand, six hundred sixty-one".