16204641886873 has 4 divisors (see below), whose sum is σ = 17677791149328. Its totient is φ = 14731492624420.

The previous prime is 16204641886871. The next prime is 16204641886889. The reversal of 16204641886873 is 37868814640261.

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 not a de Polignac number, because 16204641886873 - 2¹ = 16204641886871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16204641886871) 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, 736574631211 + ... + 736574631232.

It is an arithmetic number, because the mean of its divisors is an integer number (4419447787332).

Almost surely, 2^{16204641886873} is an apocalyptic number.

It is an amenable number.

16204641886873 is a deficient number, since it is larger than the sum of its proper divisors (1473149262455).

16204641886873 is a wasteful number, since it uses less digits than its factorization.

16204641886873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473149262454.

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 16204641886873 in words is "sixteen trillion, two hundred four billion, six hundred forty-one million, eight hundred eighty-six thousand, eight hundred seventy-three".