16872086534401 has 4 divisors (see below), whose sum is σ = 19282384610752. Its totient is φ = 14461788458052.

The previous prime is 16872086534353. The next prime is 16872086534441. The reversal of 16872086534401 is 10443568027861.

16872086534401 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 16872086534401 - 2⁴¹ = 14673063278849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16872086534441) 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, 1205149038165 + ... + 1205149038178.

It is an arithmetic number, because the mean of its divisors is an integer number (4820596152688).

Almost surely, 2^{16872086534401} is an apocalyptic number.

It is an amenable number.

16872086534401 is a deficient number, since it is larger than the sum of its proper divisors (2410298076351).

16872086534401 is an equidigital number, since it uses as much as digits as its factorization.

16872086534401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410298076350.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 16872086534401 in words is "sixteen trillion, eight hundred seventy-two billion, eighty-six million, five hundred thirty-four thousand, four hundred one".