16804506 has 16 divisors (see below), whose sum is σ = 34429248. Its totient is φ = 5464800.

The previous prime is 16804499. The next prime is 16804507. The reversal of 16804506 is 60540861.

It is not an unprimeable number, because it can be changed into a prime (16804507) 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, 33910 + ... + 34401.

It is an arithmetic number, because the mean of its divisors is an integer number (2151828).

Almost surely, 2^16804506 is an apocalyptic number.

16804506 is an abundant number, since it is smaller than the sum of its proper divisors (17624742).

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

16804506 is a wasteful number, since it uses less digits than its factorization.

16804506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68357.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 16804506 is about 4099.3299452471. The cubic root of 16804506 is about 256.1387289257.

The spelling of 16804506 in words is "sixteen million, eight hundred four thousand, five hundred six".