16085540 has 24 divisors (see below), whose sum is σ = 33982200. Its totient is φ = 6395648.

The previous prime is 16085521. The next prime is 16085543. The reversal of 16085540 is 4558061.

It is a happy number.

16085540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9572836 + 6512704 = 3094^2 + 2552^2 .

It is not an unprimeable number, because it can be changed into a prime (16085543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (1415925).

Almost surely, 2^16085540 is an apocalyptic number.

16085540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16085540 is an abundant number, since it is smaller than the sum of its proper divisors (17896660).

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

16085540 is a wasteful number, since it uses less digits than its factorization.

16085540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 16085540 is about 4010.6782468804. The cubic root of 16085540 is about 252.4324689515.

The spelling of 16085540 in words is "sixteen million, eighty-five thousand, five hundred forty".