16826144 has 12 divisors (see below), whose sum is σ = 33126534. Its totient is φ = 8413056.

The previous prime is 16826137. The next prime is 16826167. The reversal of 16826144 is 44162861.

It can be written as a sum of positive squares in only one way, i.e., 14899600 + 1926544 = 3860^2 + 1388^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 525817 = 16826144 / (1 + 6 + 8 + 2 + 6 + 1 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 16826144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262877 + ... + 262940.

Almost surely, 2^16826144 is an apocalyptic number.

It is an amenable number.

16826144 is a deficient number, since it is larger than the sum of its proper divisors (16300390).

16826144 is an equidigital number, since it uses as much as digits as its factorization.

16826144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525827 (or 525819 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 16826144 is about 4101.9683080199. The cubic root of 16826144 is about 256.2486191478.

The spelling of 16826144 in words is "sixteen million, eight hundred twenty-six thousand, one hundred forty-four".