16105668 has 12 divisors (see below), whose sum is σ = 37579920. Its totient is φ = 5368552.

The previous prime is 16105637. The next prime is 16105669. The reversal of 16105668 is 86650161.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16105669) 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 3 ways as a sum of consecutive naturals, for example, 671058 + ... + 671081.

It is an arithmetic number, because the mean of its divisors is an integer number (3131660).

Almost surely, 2^16105668 is an apocalyptic number.

It is an amenable number.

16105668 is an abundant number, since it is smaller than the sum of its proper divisors (21474252).

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

16105668 is a wasteful number, since it uses less digits than its factorization.

16105668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342146 (or 1342144 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 16105668 is about 4013.1867636580. The cubic root of 16105668 is about 252.5377155047.

The spelling of 16105668 in words is "sixteen million, one hundred five thousand, six hundred sixty-eight".