659616265937 has 2 divisors, whose sum is σ = 659616265938. Its totient is φ = 659616265936.

The previous prime is 659616265897. The next prime is 659616265961. The reversal of 659616265937 is 739562616956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596476637761 + 63139628176 = 772319^2 + 251276^2 .

It is a cyclic number.

It is not a de Polignac number, because 659616265937 - 2¹⁰ = 659616264913 is a prime.

It is a super-2 number, since 2×659616265937² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (659616262937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329808132968 + 329808132969.

It is an arithmetic number, because the mean of its divisors is an integer number (329808132969).

Almost surely, 2^659616265937 is an apocalyptic number.

It is an amenable number.

659616265937 is a deficient number, since it is larger than the sum of its proper divisors (1).

659616265937 is an equidigital number, since it uses as much as digits as its factorization.

659616265937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110224800, while the sum is 65.

The spelling of 659616265937 in words is "six hundred fifty-nine billion, six hundred sixteen million, two hundred sixty-five thousand, nine hundred thirty-seven".