665183352037 has 2 divisors, whose sum is σ = 665183352038. Its totient is φ = 665183352036.

The previous prime is 665183351929. The next prime is 665183352047. The reversal of 665183352037 is 730253381566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549072108036 + 116111244001 = 740994^2 + 340751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665183352037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (665183352047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332591676018 + 332591676019.

It is an arithmetic number, because the mean of its divisors is an integer number (332591676019).

Almost surely, 2^665183352037 is an apocalyptic number.

It is an amenable number.

665183352037 is a deficient number, since it is larger than the sum of its proper divisors (1).

665183352037 is an equidigital number, since it uses as much as digits as its factorization.

665183352037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 665183352037 in words is "six hundred sixty-five billion, one hundred eighty-three million, three hundred fifty-two thousand, thirty-seven".