16585998 has 48 divisors (see below), whose sum is σ = 39211776. Its totient is φ = 4636320.

The previous prime is 16585981. The next prime is 16586039. The reversal of 16585998 is 89958561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16585998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10411 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (816912).

Almost surely, 2^16585998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16585998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19605888).

16585998 is an abundant number, since it is smaller than the sum of its proper divisors (22625778).

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

16585998 is a wasteful number, since it uses less digits than its factorization.

16585998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1516 counting only the distinct ones).

The product of its digits is 777600, while the sum is 51.

The square root of 16585998 is about 4072.5910671218. The cubic root of 16585998 is about 255.0236963754.

The spelling of 16585998 in words is "sixteen million, five hundred eighty-five thousand, nine hundred ninety-eight".