16285866 has 8 divisors (see below), whose sum is σ = 32571744. Its totient is φ = 5428620.

The previous prime is 16285861. The next prime is 16285873. The reversal of 16285866 is 66858261.

It is a sphenic number, since it is the product of 3 distinct primes.

16285866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16285861) 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, 1357150 + ... + 1357161.

It is an arithmetic number, because the mean of its divisors is an integer number (4071468).

Almost surely, 2^16285866 is an apocalyptic number.

16285866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16285866 is a wasteful number, since it uses less digits than its factorization.

16285866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714316.

The product of its digits is 138240, while the sum is 42.

The square root of 16285866 is about 4035.5750519598. The cubic root of 16285866 is about 253.4760626145.

The spelling of 16285866 in words is "sixteen million, two hundred eighty-five thousand, eight hundred sixty-six".