16452310643663 has 4 divisors (see below), whose sum is σ = 17420093622720. Its totient is φ = 15484527664608.

The previous prime is 16452310643653. The next prime is 16452310643687. The reversal of 16452310643663 is 36634601325461.

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

It is a cyclic number.

It is not a de Polignac number, because 16452310643663 - 2¹⁶ = 16452310578127 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 (16452310643603) 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, 483891489503 + ... + 483891489536.

It is an arithmetic number, because the mean of its divisors is an integer number (4355023405680).

Almost surely, 2^{16452310643663} is an apocalyptic number.

16452310643663 is a deficient number, since it is larger than the sum of its proper divisors (967782979057).

16452310643663 is an equidigital number, since it uses as much as digits as its factorization.

16452310643663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967782979056.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 16452310643663 in words is "sixteen trillion, four hundred fifty-two billion, three hundred ten million, six hundred forty-three thousand, six hundred sixty-three".