163100316473 has 2 divisors, whose sum is σ = 163100316474. Its totient is φ = 163100316472.

The previous prime is 163100316469. The next prime is 163100316481. The reversal of 163100316473 is 374613001361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84673434169 + 78426882304 = 290987^2 + 280048^2 .

It is a cyclic number.

It is not a de Polignac number, because 163100316473 - 2² = 163100316469 is a prime.

It is not a weakly prime, because it can be changed into another prime (163100316443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81550158236 + 81550158237.

It is an arithmetic number, because the mean of its divisors is an integer number (81550158237).

Almost surely, 2^163100316473 is an apocalyptic number.

It is an amenable number.

163100316473 is a deficient number, since it is larger than the sum of its proper divisors (1).

163100316473 is an equidigital number, since it uses as much as digits as its factorization.

163100316473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 163100316473 in words is "one hundred sixty-three billion, one hundred million, three hundred sixteen thousand, four hundred seventy-three".