16065582116105 has 4 divisors (see below), whose sum is σ = 19278698539332. Its totient is φ = 12852465692880.

The previous prime is 16065582116027. The next prime is 16065582116113. The reversal of 16065582116105 is 50161128556061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11777580695104 + 4288001421001 = 3431848^2 + 2070749^2 .

It is not a de Polignac number, because 16065582116105 - 2¹² = 16065582112009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16065582116105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606558211606 + ... + 1606558211615.

It is an arithmetic number, because the mean of its divisors is an integer number (4819674634833).

Almost surely, 2^{16065582116105} is an apocalyptic number.

It is an amenable number.

16065582116105 is a deficient number, since it is larger than the sum of its proper divisors (3213116423227).

16065582116105 is an equidigital number, since it uses as much as digits as its factorization.

16065582116105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213116423226.

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 16065582116105 in words is "sixteen trillion, sixty-five billion, five hundred eighty-two million, one hundred sixteen thousand, one hundred five".