163467920 has 240 divisors, whose sum is σ = 512967168. Its totient is φ = 47738880.

The previous prime is 163467841. The next prime is 163467959. The reversal of 163467920 is 29764361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 732929 + ... + 733151.

Almost surely, 2^163467920 is an apocalyptic number.

163467920 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 163467920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256483584).

163467920 is an abundant number, since it is smaller than the sum of its proper divisors (349499248).

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

163467920 is a wasteful number, since it uses less digits than its factorization.

163467920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 163467920 is about 12785.4573637395. The cubic root of 163467920 is about 546.7777651126. Note that the first 4 decimals are identical.

The spelling of 163467920 in words is "one hundred sixty-three million, four hundred sixty-seven thousand, nine hundred twenty".