16504134 has 16 divisors (see below), whose sum is σ = 33231600. Its totient is φ = 5464160.

The previous prime is 16504079. The next prime is 16504139. The reversal of 16504134 is 43140561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16504139) 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, 8337 + ... + 10124.

It is an arithmetic number, because the mean of its divisors is an integer number (2076975).

Almost surely, 2^16504134 is an apocalyptic number.

16504134 is an abundant number, since it is smaller than the sum of its proper divisors (16727466).

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

16504134 is a wasteful number, since it uses less digits than its factorization.

16504134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18615.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 16504134 is about 4062.5280306725. The cubic root of 16504134 is about 254.6034281759.

Adding to 16504134 its reverse (43140561), we get a palindrome (59644695).

The spelling of 16504134 in words is "sixteen million, five hundred four thousand, one hundred thirty-four".