16800456317089 has 4 divisors (see below), whose sum is σ = 16800487627456. Its totient is φ = 16800425006724.

The previous prime is 16800456317077. The next prime is 16800456317093. The reversal of 16800456317089 is 98071365400861.

16800456317089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16800456317089 - 2²⁷ = 16800322099361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16800456317009) 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, 14836029 + ... + 15928234.

It is an arithmetic number, because the mean of its divisors is an integer number (4200121906864).

Almost surely, 2^{16800456317089} is an apocalyptic number.

It is an amenable number.

16800456317089 is a deficient number, since it is larger than the sum of its proper divisors (31310367).

16800456317089 is an equidigital number, since it uses as much as digits as its factorization.

16800456317089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31310366.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 16800456317089 in words is "sixteen trillion, eight hundred billion, four hundred fifty-six million, three hundred seventeen thousand, eighty-nine".