16505084 has 12 divisors (see below), whose sum is σ = 29498784. Its totient is φ = 8076864.

The previous prime is 16505063. The next prime is 16505087. The reversal of 16505084 is 48050561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16505087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43709 + ... + 44084.

It is an arithmetic number, because the mean of its divisors is an integer number (2458232).

Almost surely, 2^16505084 is an apocalyptic number.

It is an amenable number.

16505084 is a deficient number, since it is larger than the sum of its proper divisors (12993700).

16505084 is a wasteful number, since it uses less digits than its factorization.

16505084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87844 (or 87842 counting only the distinct ones).

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

The square root of 16505084 is about 4062.6449512602. The cubic root of 16505084 is about 254.6083131867.

The spelling of 16505084 in words is "sixteen million, five hundred five thousand, eighty-four".