260606191537 has 2 divisors, whose sum is σ = 260606191538. Its totient is φ = 260606191536.

The previous prime is 260606191477. The next prime is 260606191567. The reversal of 260606191537 is 735191606062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161199038016 + 99407153521 = 401496^2 + 315289^2 .

It is a cyclic number.

It is not a de Polignac number, because 260606191537 - 2¹¹ = 260606189489 is a prime.

It is not a weakly prime, because it can be changed into another prime (260606191567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130303095768 + 130303095769.

It is an arithmetic number, because the mean of its divisors is an integer number (130303095769).

Almost surely, 2^260606191537 is an apocalyptic number.

It is an amenable number.

260606191537 is a deficient number, since it is larger than the sum of its proper divisors (1).

260606191537 is an equidigital number, since it uses as much as digits as its factorization.

260606191537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

Adding to 260606191537 its reverse (735191606062), we get a palindrome (995797797599).

The spelling of 260606191537 in words is "two hundred sixty billion, six hundred six million, one hundred ninety-one thousand, five hundred thirty-seven".