163531453104 has 60 divisors (see below), whose sum is σ = 459960826000. Its totient is φ = 54236552832.

The previous prime is 163531453051. The next prime is 163531453139. The reversal of 163531453104 is 401354135361.

163531453104 is a `hidden beast` number, since 1 + 63 + 53 + 14 + 531 + 0 + 4 = 666.

163531453104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2824699 + ... + 2882010.

Almost surely, 2^163531453104 is an apocalyptic number.

It is an amenable number.

163531453104 is an abundant number, since it is smaller than the sum of its proper divisors (296429372896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163531453104 is a wasteful number, since it uses less digits than its factorization.

163531453104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706922 (or 5706913 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 163531453104 its reverse (401354135361), we get a palindrome (564885588465).

The spelling of 163531453104 in words is "one hundred sixty-three billion, five hundred thirty-one million, four hundred fifty-three thousand, one hundred four".