16326402313 has 8 divisors (see below), whose sum is σ = 17624048456. Its totient is φ = 15034723200.

The previous prime is 16326402299. The next prime is 16326402427. The reversal of 16326402313 is 31320462361.

It can be written as a sum of positive squares in 4 ways, for example, as 897781369 + 15428620944 = 29963^2 + 124212^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16326402313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16326402713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486068 + ... + 1497013.

It is an arithmetic number, because the mean of its divisors is an integer number (2203006057).

Almost surely, 2^16326402313 is an apocalyptic number.

16326402313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16326402313 is a deficient number, since it is larger than the sum of its proper divisors (1297646143).

16326402313 is a wasteful number, since it uses less digits than its factorization.

16326402313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983515.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 16326402313 its reverse (31320462361), we get a palindrome (47646864674).

The spelling of 16326402313 in words is "sixteen billion, three hundred twenty-six million, four hundred two thousand, three hundred thirteen".