16085000 has 40 divisors (see below), whose sum is σ = 37698870. Its totient is φ = 6432000.

The previous prime is 16084969. The next prime is 16085051. The reversal of 16085000 is 58061.

It can be written as a sum of positive squares in 5 ways, for example, as 1811716 + 14273284 = 1346^2 + 3778^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3392 + ... + 6608.

Almost surely, 2^16085000 is an apocalyptic number.

16085000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16085000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18849435).

16085000 is an abundant number, since it is smaller than the sum of its proper divisors (21613870).

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

16085000 is an equidigital number, since it uses as much as digits as its factorization.

16085000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243 (or 3224 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16085000 is about 4010.6109260311. The cubic root of 16085000 is about 252.4296441565.

The spelling of 16085000 in words is "sixteen million, eighty-five thousand".