16544961109480 has 64 divisors (see below), whose sum is σ = 39420345978000. Its totient is φ = 6227994476544.

The previous prime is 16544961109477. The next prime is 16544961109487. The reversal of 16544961109480 is 8490116944561.

16544961109480 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 8 ways, for example, as 4197425732644 + 12347535376836 = 2048762^2 + 3513906^2 .

It is a super-2 number, since 2×16544961109480² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16544961109487) 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, 4742536 + ... + 7455304.

Almost surely, 2^{16544961109480} is an apocalyptic number.

16544961109480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16544961109480 is an abundant number, since it is smaller than the sum of its proper divisors (22875384868520).

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

16544961109480 is a wasteful number, since it uses less digits than its factorization.

16544961109480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721766 (or 2721762 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 16544961109480 in words is "sixteen trillion, five hundred forty-four billion, nine hundred sixty-one million, one hundred nine thousand, four hundred eighty".