163242424 has 8 divisors (see below), whose sum is σ = 306079560. Its totient is φ = 81621208.

The previous prime is 163242407. The next prime is 163242427. The reversal of 163242424 is 424242361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 163242392 and 163242401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163242427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10202644 + ... + 10202659.

It is an arithmetic number, because the mean of its divisors is an integer number (38259945).

Almost surely, 2^163242424 is an apocalyptic number.

It is an amenable number.

163242424 is a deficient number, since it is larger than the sum of its proper divisors (142837136).

163242424 is a wasteful number, since it uses less digits than its factorization.

163242424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20405309 (or 20405305 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 163242424 is about 12776.6358639510. The cubic root of 163242424 is about 546.5262316902.

Adding to 163242424 its reverse (424242361), we get a palindrome (587484785).

The spelling of 163242424 in words is "one hundred sixty-three million, two hundred forty-two thousand, four hundred twenty-four".