16453111332613 has 4 divisors (see below), whose sum is σ = 17420941411020. Its totient is φ = 15485281254208.

The previous prime is 16453111332529. The next prime is 16453111332617. The reversal of 16453111332613 is 31623311135461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9705081628804 + 6748029703809 = 3115298^2 + 2597697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16453111332613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453111332617) 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, 483915039178 + ... + 483915039211.

It is an arithmetic number, because the mean of its divisors is an integer number (4355235352755).

Almost surely, 2^{16453111332613} is an apocalyptic number.

It is an amenable number.

16453111332613 is a deficient number, since it is larger than the sum of its proper divisors (967830078407).

16453111332613 is an equidigital number, since it uses as much as digits as its factorization.

16453111332613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967830078406.

The product of its digits is 116640, while the sum is 40.

The spelling of 16453111332613 in words is "sixteen trillion, four hundred fifty-three billion, one hundred eleven million, three hundred thirty-two thousand, six hundred thirteen".