16005671205 has 16 divisors (see below), whose sum is σ = 25991300544. Its totient is φ = 8408949120.

The previous prime is 16005671203. The next prime is 16005671243. The reversal of 16005671205 is 50217650061.

It is not a de Polignac number, because 16005671205 - 2¹ = 16005671203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005671203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7962016 + ... + 7964025.

It is an arithmetic number, because the mean of its divisors is an integer number (1624456284).

Almost surely, 2^16005671205 is an apocalyptic number.

16005671205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16005671205 is a deficient number, since it is larger than the sum of its proper divisors (9985629339).

16005671205 is a wasteful number, since it uses less digits than its factorization.

16005671205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926116.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 16005671205 in words is "sixteen billion, five million, six hundred seventy-one thousand, two hundred five".