13160081689 has 2 divisors, whose sum is σ = 13160081690. Its totient is φ = 13160081688.

The previous prime is 13160081681. The next prime is 13160081707. The reversal of 13160081689 is 98618006131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6987622464 + 6172459225 = 83592^2 + 78565^2 .

It is a cyclic number.

It is not a de Polignac number, because 13160081689 - 2³ = 13160081681 is a prime.

It is a super-2 number, since 2×13160081689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13160081681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580040844 + 6580040845.

It is an arithmetic number, because the mean of its divisors is an integer number (6580040845).

Almost surely, 2^13160081689 is an apocalyptic number.

It is an amenable number.

13160081689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13160081689 is an equidigital number, since it uses as much as digits as its factorization.

13160081689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 13160081689 in words is "thirteen billion, one hundred sixty million, eighty-one thousand, six hundred eighty-nine".