163544472 has 192 divisors, whose sum is σ = 552552000. Its totient is φ = 42550272.

The previous prime is 163544429. The next prime is 163544483. The reversal of 163544472 is 274445361.

163544472 is a `hidden beast` number, since 163 + 54 + 447 + 2 = 666.

163544472 is digitally balanced in base 3, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 714054 + ... + 714282.

It is an arithmetic number, because the mean of its divisors is an integer number (2877875).

Almost surely, 2^163544472 is an apocalyptic number.

163544472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163544472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276276000).

163544472 is an abundant number, since it is smaller than the sum of its proper divisors (389007528).

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

163544472 is a wasteful number, since it uses less digits than its factorization.

163544472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 363 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 163544472 is about 12788.4507271209. The cubic root of 163544472 is about 546.8631037717.

The spelling of 163544472 in words is "one hundred sixty-three million, five hundred forty-four thousand, four hundred seventy-two".