16261313323 has 8 divisors (see below), whose sum is σ = 16543437120. Its totient is φ = 15980349000.

The previous prime is 16261313273. The next prime is 16261313389. The reversal of 16261313323 is 32331316261.

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-16261313323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16261313023) 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, 261553 + ... + 317698.

It is an arithmetic number, because the mean of its divisors is an integer number (2067929640).

Almost surely, 2^16261313323 is an apocalyptic number.

16261313323 is a deficient number, since it is larger than the sum of its proper divisors (282123797).

16261313323 is an equidigital number, since it uses as much as digits as its factorization.

16261313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579737.

The product of its digits is 11664, while the sum is 31.

Adding to 16261313323 its reverse (32331316261), we get a palindrome (48592629584).

The spelling of 16261313323 in words is "sixteen billion, two hundred sixty-one million, three hundred thirteen thousand, three hundred twenty-three".