16304533540 has 12 divisors (see below), whose sum is σ = 34239520476. Its totient is φ = 6521813408.

The previous prime is 16304533513. The next prime is 16304533541. The reversal of 16304533540 is 4533540361.

16304533540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7051632676 + 9252900864 = 83974^2 + 96192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16304533496 and 16304533505.

It is not an unprimeable number, because it can be changed into a prime (16304533541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407613319 + ... + 407613358.

It is an arithmetic number, because the mean of its divisors is an integer number (2853293373).

Almost surely, 2^16304533540 is an apocalyptic number.

16304533540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16304533540 is an abundant number, since it is smaller than the sum of its proper divisors (17934986936).

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

16304533540 is a wasteful number, since it uses less digits than its factorization.

16304533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815226686 (or 815226684 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 16304533540 in words is "sixteen billion, three hundred four million, five hundred thirty-three thousand, five hundred forty".