16504872 has 32 divisors (see below), whose sum is σ = 41731200. Its totient is φ = 5439104.

The previous prime is 16504867. The next prime is 16504907. The reversal of 16504872 is 27840561.

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 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^16504872 is an apocalyptic number.

16504872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16504872 is an abundant number, since it is smaller than the sum of its proper divisors (25226328).

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

16504872 is a wasteful number, since it uses less digits than its factorization.

16504872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 16504872 is about 4062.6188597997. The cubic root of 16504872 is about 254.6072230742.

The spelling of 16504872 in words is "sixteen million, five hundred four thousand, eight hundred seventy-two".