16268503477361 has 4 divisors (see below), whose sum is σ = 16303339673712. Its totient is φ = 16233667281012.

The previous prime is 16268503477333. The next prime is 16268503477363. The reversal of 16268503477361 is 16377430586261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16268503477361 - 2²⁶ = 16268436368497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16268503477361.

It is not an unprimeable number, because it can be changed into a prime (16268503477363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17418097475 + ... + 17418098408.

It is an arithmetic number, because the mean of its divisors is an integer number (4075834918428).

Almost surely, 2^{16268503477361} is an apocalyptic number.

It is an amenable number.

16268503477361 is a deficient number, since it is larger than the sum of its proper divisors (34836196351).

16268503477361 is an equidigital number, since it uses as much as digits as its factorization.

16268503477361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34836196350.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 16268503477361 in words is "sixteen trillion, two hundred sixty-eight billion, five hundred three million, four hundred seventy-seven thousand, three hundred sixty-one".