16761061105 has 4 divisors (see below), whose sum is σ = 20113273332. Its totient is φ = 13408848880.

The previous prime is 16761061103. The next prime is 16761061133. The reversal of 16761061105 is 50116016761.

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 11467625569 + 5293435536 = 107087^2 + 72756^2 .

It is not a de Polignac number, because 16761061105 - 2¹ = 16761061103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16761061103) 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, 1676106106 + ... + 1676106115.

It is an arithmetic number, because the mean of its divisors is an integer number (5028318333).

Almost surely, 2^16761061105 is an apocalyptic number.

It is an amenable number.

16761061105 is a deficient number, since it is larger than the sum of its proper divisors (3352212227).

16761061105 is an equidigital number, since it uses as much as digits as its factorization.

16761061105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352212226.

The product of its (nonzero) digits is 7560, while the sum is 34.

Adding to 16761061105 its reverse (50116016761), we get a palindrome (66877077866).

The spelling of 16761061105 in words is "sixteen billion, seven hundred sixty-one million, sixty-one thousand, one hundred five".