163560983 has 2 divisors, whose sum is σ = 163560984. Its totient is φ = 163560982.

The previous prime is 163560941. The next prime is 163560989. The reversal of 163560983 is 389065361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163560983 - 2⁶ = 163560919 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163560983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163560989) 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, 81780491 + 81780492.

It is an arithmetic number, because the mean of its divisors is an integer number (81780492).

Almost surely, 2^163560983 is an apocalyptic number.

163560983 is a deficient number, since it is larger than the sum of its proper divisors (1).

163560983 is an equidigital number, since it uses as much as digits as its factorization.

163560983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 163560983 is about 12789.0962542316. The cubic root of 163560983 is about 546.8815064173.

The spelling of 163560983 in words is "one hundred sixty-three million, five hundred sixty thousand, nine hundred eighty-three".