16268118608559 has 32 divisors (see below), whose sum is σ = 21838253837760. Its totient is φ = 10772001580032.

The previous prime is 16268118608557. The next prime is 16268118608593. The reversal of 16268118608559 is 95580681186261.

It is not a de Polignac number, because 16268118608559 - 2¹ = 16268118608557 is a prime.

It is a super-2 number, since 2×16268118608559² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16268118608559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16268118608551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334786437 + ... + 334835025.

It is an arithmetic number, because the mean of its divisors is an integer number (682445432430).

Almost surely, 2^{16268118608559} is an apocalyptic number.

16268118608559 is a deficient number, since it is larger than the sum of its proper divisors (5570135229201).

16268118608559 is a wasteful number, since it uses less digits than its factorization.

16268118608559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50139.

The product of its (nonzero) digits is 49766400, while the sum is 66.

The spelling of 16268118608559 in words is "sixteen trillion, two hundred sixty-eight billion, one hundred eighteen million, six hundred eight thousand, five hundred fifty-nine".