163553103013 has 2 divisors, whose sum is σ = 163553103014. Its totient is φ = 163553103012.

The previous prime is 163553102989. The next prime is 163553103041. The reversal of 163553103013 is 310301355361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121241847204 + 42311255809 = 348198^2 + 205697^2 .

It is a cyclic number.

It is not a de Polignac number, because 163553103013 - 2⁵ = 163553102981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163553103053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81776551506 + 81776551507.

It is an arithmetic number, because the mean of its divisors is an integer number (81776551507).

Almost surely, 2^163553103013 is an apocalyptic number.

It is an amenable number.

163553103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

163553103013 is an equidigital number, since it uses as much as digits as its factorization.

163553103013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

Adding to 163553103013 its reverse (310301355361), we get a palindrome (473854458374).

The spelling of 163553103013 in words is "one hundred sixty-three billion, five hundred fifty-three million, one hundred three thousand, thirteen".