16453755561473 has 8 divisors (see below), whose sum is σ = 16993850410728. Its totient is φ = 15922166143104.

The previous prime is 16453755561433. The next prime is 16453755561487. The reversal of 16453755561473 is 37416555735461.

It can be written as a sum of positive squares in 4 ways, for example, as 8458365938929 + 7995389622544 = 2908327^2 + 2827612^2 .

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 16453755561473 - 2³⁰ = 16452681819649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16453755561413) 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, 2126353790 + ... + 2126361527.

It is an arithmetic number, because the mean of its divisors is an integer number (2124231301341).

Almost surely, 2^{16453755561473} is an apocalyptic number.

It is an amenable number.

16453755561473 is a deficient number, since it is larger than the sum of its proper divisors (540094849255).

16453755561473 is an equidigital number, since it uses as much as digits as its factorization.

16453755561473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252715443.

The product of its digits is 158760000, while the sum is 62.

The spelling of 16453755561473 in words is "sixteen trillion, four hundred fifty-three billion, seven hundred fifty-five million, five hundred sixty-one thousand, four hundred seventy-three".