16547440012112 has 40 divisors (see below), whose sum is σ = 33170734887240. Its totient is φ = 7987328294400.

The previous prime is 16547440012111. The next prime is 16547440012121. The reversal of 16547440012112 is 21121004474561.

It can be written as a sum of positive squares in 4 ways, for example, as 126596486416 + 16420843525696 = 355804^2 + 4052264^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16547440012111) 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 7 ways as a sum of consecutive naturals, for example, 970862 + ... + 5834162.

It is an arithmetic number, because the mean of its divisors is an integer number (829268372181).

Almost surely, 2^{16547440012112} is an apocalyptic number.

It is an amenable number.

16547440012112 is an abundant number, since it is smaller than the sum of its proper divisors (16623294875128).

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

16547440012112 is a wasteful number, since it uses less digits than its factorization.

16547440012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870671 (or 4870665 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 16547440012112 its reverse (21121004474561), we get a palindrome (37668444486673).

The spelling of 16547440012112 in words is "sixteen trillion, five hundred forty-seven billion, four hundred forty million, twelve thousand, one hundred twelve".