163242011 has 2 divisors, whose sum is σ = 163242012. Its totient is φ = 163242010.

The previous prime is 163241989. The next prime is 163242043. The reversal of 163242011 is 110242361.

163242011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163242011 is a prime.

It is not a weakly prime, because it can be changed into another prime (163242071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81621005 + 81621006.

It is an arithmetic number, because the mean of its divisors is an integer number (81621006).

Almost surely, 2^163242011 is an apocalyptic number.

163242011 is a deficient number, since it is larger than the sum of its proper divisors (1).

163242011 is an equidigital number, since it uses as much as digits as its factorization.

163242011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 163242011 is about 12776.6197016269. The cubic root of 163242011 is about 546.5257707897.

Adding to 163242011 its reverse (110242361), we get a palindrome (273484372).

The spelling of 163242011 in words is "one hundred sixty-three million, two hundred forty-two thousand, eleven".