13161760905 has 16 divisors (see below), whose sum is σ = 21079963584. Its totient is φ = 7012557120.

The previous prime is 13161760903. The next prime is 13161760933. The reversal of 13161760905 is 50906716131.

It is a happy number.

It is not a de Polignac number, because 13161760905 - 2¹ = 13161760903 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13161760901) 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, 425091 + ... + 455000.

It is an arithmetic number, because the mean of its divisors is an integer number (1317497724).

Almost surely, 2^13161760905 is an apocalyptic number.

13161760905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13161760905 is a deficient number, since it is larger than the sum of its proper divisors (7918202679).

13161760905 is an equidigital number, since it uses as much as digits as its factorization.

13161760905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881096.

The product of its (nonzero) digits is 34020, while the sum is 39.

The spelling of 13161760905 in words is "thirteen billion, one hundred sixty-one million, seven hundred sixty thousand, nine hundred five".