2016611 has 4 divisors (see below), whose sum is σ = 2071152. Its totient is φ = 1962072.

The previous prime is 2016607. The next prime is 2016653. The reversal of 2016611 is 1166102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2016611 - 2² = 2016607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2016611.

It is not an unprimeable number, because it can be changed into a prime (2016671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27215 + ... + 27288.

It is an arithmetic number, because the mean of its divisors is an integer number (517788).

2^2016611 is an apocalyptic number.

2016611 is a deficient number, since it is larger than the sum of its proper divisors (54541).

2016611 is an equidigital number, since it uses as much as digits as its factorization.

2016611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54540.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2016611 is about 1420.0742938311. The cubic root of 2016611 is about 126.3399528853.

The spelling of 2016611 in words is "two million, sixteen thousand, six hundred eleven".