163804032000 has 1760 divisors, whose sum is σ = 728271113856. Its totient is φ = 35831808000.

The previous prime is 163804031971. The next prime is 163804032011. The reversal of 163804032000 is 230408361.

It is a happy number.

163804032000 is a `hidden beast` number, since 1 + 638 + 0 + 4 + 0 + 3 + 20 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2685311970 + ... + 2685312030.

Almost surely, 2^163804032000 is an apocalyptic number.

163804032000 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 163804032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364135556928).

163804032000 is an abundant number, since it is smaller than the sum of its proper divisors (564467081856).

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

163804032000 is an equidigital number, since it uses as much as digits as its factorization.

163804032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 163804032000 in words is "one hundred sixty-three billion, eight hundred four million, thirty-two thousand".