16109828 has 18 divisors (see below), whose sum is σ = 32795406. Its totient is φ = 6904128.

The previous prime is 16109809. The next prime is 16109833. The reversal of 16109828 is 82890161.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 7300804 = 2968^2 + 2702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40901 + ... + 41292.

It is an arithmetic number, because the mean of its divisors is an integer number (1821967).

Almost surely, 2^16109828 is an apocalyptic number.

It is an amenable number.

16109828 is an abundant number, since it is smaller than the sum of its proper divisors (16685578).

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

16109828 is a wasteful number, since it uses less digits than its factorization.

16109828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82211 (or 82202 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 16109828 is about 4013.7050215480. The cubic root of 16109828 is about 252.5594566387.

Adding to 16109828 its reverse (82890161), we get a palindrome (98999989).

The spelling of 16109828 in words is "sixteen million, one hundred nine thousand, eight hundred twenty-eight".