163232400 has 60 divisors (see below), whose sum is σ = 522891632. Its totient is φ = 43528320.

The previous prime is 163232389. The next prime is 163232411. The reversal of 163232400 is 4232361.

It is a happy number.

163232400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163232389) and next prime (163232411).

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66814 + ... + 69213.

Almost surely, 2^163232400 is an apocalyptic number.

163232400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163232400 is an abundant number, since it is smaller than the sum of its proper divisors (359659232).

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

163232400 is a wasteful number, since it uses less digits than its factorization.

163232400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136048 (or 136037 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 163232400 is about 12776.2435793937. The cubic root of 163232400 is about 546.5150448697.

Adding to 163232400 its reverse (4232361), we get a palindrome (167464761).

The spelling of 163232400 in words is "one hundred sixty-three million, two hundred thirty-two thousand, four hundred".