16321344312361 has 8 divisors (see below), whose sum is σ = 17805510747648. Its totient is φ = 14837245854000.

The previous prime is 16321344312283. The next prime is 16321344312379.

16321344312361 is nontrivially palindromic in base 10.

16321344312361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16321344312361 - 2²¹ = 16321342215209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16321344312461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16491550 + ... + 17453191.

It is an arithmetic number, because the mean of its divisors is an integer number (2225688843456).

Almost surely, 2^{16321344312361} is an apocalyptic number.

16321344312361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16321344312361 is a deficient number, since it is larger than the sum of its proper divisors (1484166435287).

16321344312361 is a wasteful number, since it uses less digits than its factorization.

16321344312361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988463.

The product of its digits is 186624, while the sum is 40.

It can be divided in two parts, 1632134 and 4312361, that added together give a palindrome (5944495).

The spelling of 16321344312361 in words is "sixteen trillion, three hundred twenty-one billion, three hundred forty-four million, three hundred twelve thousand, three hundred sixty-one".