163424889 has 24 divisors (see below), whose sum is σ = 247665600. Its totient is φ = 103699680.

The previous prime is 163424879. The next prime is 163424903. The reversal of 163424889 is 988424361.

It is a happy number.

163424889 is a `hidden beast` number, since 1 + 634 + 2 + 4 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 163424889 - 2⁷ = 163424761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163424809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14122 + ... + 22940.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^163424889 is an apocalyptic number.

It is an amenable number.

163424889 is a deficient number, since it is larger than the sum of its proper divisors (84240711).

163424889 is a wasteful number, since it uses less digits than its factorization.

163424889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925 (or 8922 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 163424889 is about 12783.7744426284. The cubic root of 163424889 is about 546.7297833050.

The spelling of 163424889 in words is "one hundred sixty-three million, four hundred twenty-four thousand, eight hundred eighty-nine".