2016668 has 12 divisors (see below), whose sum is σ = 3546312. Its totient is φ = 1003440.

The previous prime is 2016653. The next prime is 2016671. The reversal of 2016668 is 8666102.

It is a self number, because there is not a number n which added to its sum of digits gives 2016668.

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, 203 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (295526).

2^2016668 is an apocalyptic number.

It is an amenable number.

2016668 is a deficient number, since it is larger than the sum of its proper divisors (1529644).

2016668 is a wasteful number, since it uses less digits than its factorization.

2016668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2016668 is about 1420.0943630618. The cubic root of 2016668 is about 126.3411432173.

The spelling of 2016668 in words is "two million, sixteen thousand, six hundred sixty-eight".