13160640637 has 2 divisors, whose sum is σ = 13160640638. Its totient is φ = 13160640636.

The previous prime is 13160640617. The next prime is 13160640653. The reversal of 13160640637 is 73604606131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13033875556 + 126765081 = 114166^2 + 11259^2 .

It is a cyclic number.

It is not a de Polignac number, because 13160640637 - 2⁷ = 13160640509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13160640596 and 13160640605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13160640617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580320318 + 6580320319.

It is an arithmetic number, because the mean of its divisors is an integer number (6580320319).

Almost surely, 2^13160640637 is an apocalyptic number.

It is an amenable number.

13160640637 is a deficient number, since it is larger than the sum of its proper divisors (1).

13160640637 is an equidigital number, since it uses as much as digits as its factorization.

13160640637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 13160640637 in words is "thirteen billion, one hundred sixty million, six hundred forty thousand, six hundred thirty-seven".