16522804 has 12 divisors (see below), whose sum is σ = 28989828. Its totient is φ = 8240000.

The previous prime is 16522789. The next prime is 16522811. The reversal of 16522804 is 40822561.

It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 362404 = 4020^2 + 602^2 .

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 3 ways as a sum of consecutive naturals, for example, 3547 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (2415819).

Almost surely, 2^16522804 is an apocalyptic number.

It is an amenable number.

16522804 is a deficient number, since it is larger than the sum of its proper divisors (12467024).

16522804 is a wasteful number, since it uses less digits than its factorization.

16522804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706 (or 10704 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16522804 is about 4064.8252114943. The cubic root of 16522804 is about 254.6993971559.

The spelling of 16522804 in words is "sixteen million, five hundred twenty-two thousand, eight hundred four".