16928408456 has 16 divisors (see below), whose sum is σ = 31924241100. Its totient is φ = 8415277504.

The previous prime is 16928408437. The next prime is 16928408459. The reversal of 16928408456 is 65480482961.

It can be written as a sum of positive squares in 2 ways, for example, as 11238120100 + 5690288356 = 106010^2 + 75434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16928408398 and 16928408407.

It is not an unprimeable number, because it can be changed into a prime (16928408459) by changing a digit.

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, 6114371 + ... + 6117138.

Almost surely, 2^16928408456 is an apocalyptic number.

It is an amenable number.

16928408456 is a deficient number, since it is larger than the sum of its proper divisors (14995832644).

16928408456 is a wasteful number, since it uses less digits than its factorization.

16928408456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231688 (or 12231684 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

It can be divided in two parts, 1692 and 8408456, that added together give a palindrome (8410148).

The spelling of 16928408456 in words is "sixteen billion, nine hundred twenty-eight million, four hundred eight thousand, four hundred fifty-six".