163472400 has 360 divisors, whose sum is σ = 699608000. Its totient is φ = 34421760.

The previous prime is 163472399. The next prime is 163472417. The reversal of 163472400 is 4274361.

163472400 is a `hidden beast` number, since 1 + 634 + 7 + 24 + 0 + 0 = 666.

163472400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 327351 + ... + 327849.

Almost surely, 2^163472400 is an apocalyptic number.

163472400 is a gapful number since it is divisible by the number (10) 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 163472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349804000).

163472400 is an abundant number, since it is smaller than the sum of its proper divisors (536135600).

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

163472400 is a wasteful number, since it uses less digits than its factorization.

163472400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 163472400 is about 12785.6325615904. The cubic root of 163472400 is about 546.7827600621.

The spelling of 163472400 in words is "one hundred sixty-three million, four hundred seventy-two thousand, four hundred".