16559379441 has 24 divisors (see below), whose sum is σ = 26118988896. Its totient is φ = 10026210240.

The previous prime is 16559379401. The next prime is 16559379449. The reversal of 16559379441 is 14497395561.

16559379441 is a `hidden beast` number, since 1 + 6 + 5 + 593 + 7 + 9 + 4 + 41 = 666.

16559379441 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 16559379441 - 2¹⁰ = 16559378417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16559379449) 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 23 ways as a sum of consecutive naturals, for example, 21306 + ... + 183228.

It is an arithmetic number, because the mean of its divisors is an integer number (1088291204).

Almost surely, 2^16559379441 is an apocalyptic number.

16559379441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16559379441 is a deficient number, since it is larger than the sum of its proper divisors (9559609455).

16559379441 is a wasteful number, since it uses less digits than its factorization.

16559379441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162973 (or 162970 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 16559379441 in words is "sixteen billion, five hundred fifty-nine million, three hundred seventy-nine thousand, four hundred forty-one".