16534156105 has 4 divisors (see below), whose sum is σ = 19840987332. Its totient is φ = 13227324880.

The previous prime is 16534156091. The next prime is 16534156129. The reversal of 16534156105 is 50165143561.

16534156105 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6672275856 + 9861880249 = 81684^2 + 99307^2 .

It is not a de Polignac number, because 16534156105 - 2¹⁵ = 16534123337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653415606 + ... + 1653415615.

It is an arithmetic number, because the mean of its divisors is an integer number (4960246833).

Almost surely, 2^16534156105 is an apocalyptic number.

It is an amenable number.

16534156105 is a deficient number, since it is larger than the sum of its proper divisors (3306831227).

16534156105 is an equidigital number, since it uses as much as digits as its factorization.

16534156105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306831226.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 16534156105 its reverse (50165143561), we get a palindrome (66699299666).

The spelling of 16534156105 in words is "sixteen billion, five hundred thirty-four million, one hundred fifty-six thousand, one hundred five".