16828819 has 16 divisors (see below), whose sum is σ = 19869696. Its totient is φ = 13953600.

The previous prime is 16828807. The next prime is 16828841. The reversal of 16828819 is 91882861.

It is a cyclic number.

It is not a de Polignac number, because 16828819 - 2²¹ = 14731667 is a prime.

It is a super-2 number, since 2×16828819² = 566418297869522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16828849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54664 + ... + 54970.

It is an arithmetic number, because the mean of its divisors is an integer number (1241856).

Almost surely, 2^16828819 is an apocalyptic number.

16828819 is a deficient number, since it is larger than the sum of its proper divisors (3040877).

16828819 is a wasteful number, since it uses less digits than its factorization.

16828819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 55296, while the sum is 43.

The square root of 16828819 is about 4102.2943580392. The cubic root of 16828819 is about 256.2621977933.

It can be divided in two parts, 1682 and 8819, that added together give a palindrome (10501).

The spelling of 16828819 in words is "sixteen million, eight hundred twenty-eight thousand, eight hundred nineteen".