163596949 has 2 divisors, whose sum is σ = 163596950. Its totient is φ = 163596948.

The previous prime is 163596919. The next prime is 163596971. The reversal of 163596949 is 949695361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151044100 + 12552849 = 12290^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 163596949 - 2¹¹ = 163594901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163596896 and 163596905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163596919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81798474 + 81798475.

It is an arithmetic number, because the mean of its divisors is an integer number (81798475).

Almost surely, 2^163596949 is an apocalyptic number.

It is an amenable number.

163596949 is a deficient number, since it is larger than the sum of its proper divisors (1).

163596949 is an equidigital number, since it uses as much as digits as its factorization.

163596949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 163596949 is about 12790.5022966262. The cubic root of 163596949 is about 546.9215887123.

The spelling of 163596949 in words is "one hundred sixty-three million, five hundred ninety-six thousand, nine hundred forty-nine".