163123561424 has 20 divisors (see below), whose sum is σ = 316062541536. Its totient is φ = 81559034592.

The previous prime is 163123561373. The next prime is 163123561429. The reversal of 163123561424 is 424165321361.

163123561424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163123561429) 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 in 3 ways as a sum of consecutive naturals, for example, 370277 + ... + 680699.

Almost surely, 2^163123561424 is an apocalyptic number.

It is an amenable number.

163123561424 is a deficient number, since it is larger than the sum of its proper divisors (152938980112).

163123561424 is a wasteful number, since it uses less digits than its factorization.

163123561424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343274 (or 343268 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

Adding to 163123561424 its reverse (424165321361), we get a palindrome (587288882785).

The spelling of 163123561424 in words is "one hundred sixty-three billion, one hundred twenty-three million, five hundred sixty-one thousand, four hundred twenty-four".