662341870121 has 2 divisors, whose sum is σ = 662341870122. Its totient is φ = 662341870120.

The previous prime is 662341870117. The next prime is 662341870163. The reversal of 662341870121 is 121078143266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467144910400 + 195196959721 = 683480^2 + 441811^2 .

It is a cyclic number.

It is not a de Polignac number, because 662341870121 - 2² = 662341870117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (662341872121) 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, 331170935060 + 331170935061.

It is an arithmetic number, because the mean of its divisors is an integer number (331170935061).

Almost surely, 2^662341870121 is an apocalyptic number.

It is an amenable number.

662341870121 is a deficient number, since it is larger than the sum of its proper divisors (1).

662341870121 is an equidigital number, since it uses as much as digits as its factorization.

662341870121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 662341870121 in words is "six hundred sixty-two billion, three hundred forty-one million, eight hundred seventy thousand, one hundred twenty-one".