16548440145 has 16 divisors (see below), whose sum is σ = 26479162752. Its totient is φ = 8825281920.

The previous prime is 16548440141. The next prime is 16548440159. The reversal of 16548440145 is 54104484561.

16548440145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16548440145 - 2² = 16548440141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16548440097 and 16548440106.

It is not an unprimeable number, because it can be changed into a prime (16548440141) 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 15 ways as a sum of consecutive naturals, for example, 353460 + ... + 397530.

It is an arithmetic number, because the mean of its divisors is an integer number (1654947672).

Almost surely, 2^16548440145 is an apocalyptic number.

16548440145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16548440145 is a deficient number, since it is larger than the sum of its proper divisors (9930722607).

16548440145 is a wasteful number, since it uses less digits than its factorization.

16548440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69112.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 16548440145 in words is "sixteen billion, five hundred forty-eight million, four hundred forty thousand, one hundred forty-five".