163348693 has 2 divisors, whose sum is σ = 163348694. Its totient is φ = 163348692.

The previous prime is 163348663. The next prime is 163348697. The reversal of 163348693 is 396843361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161340804 + 2007889 = 12702^2 + 1417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163348693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163348697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81674346 + 81674347.

It is an arithmetic number, because the mean of its divisors is an integer number (81674347).

Almost surely, 2^163348693 is an apocalyptic number.

It is an amenable number.

163348693 is a deficient number, since it is larger than the sum of its proper divisors (1).

163348693 is an equidigital number, since it uses as much as digits as its factorization.

163348693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 163348693 is about 12780.7939111778. The cubic root of 163348693 is about 546.6448001284.

The spelling of 163348693 in words is "one hundred sixty-three million, three hundred forty-eight thousand, six hundred ninety-three".