163341720 has 96 divisors (see below), whose sum is σ = 532443600. Its totient is φ = 43428096.

The previous prime is 163341719. The next prime is 163341733. The reversal of 163341720 is 27143361.

163341720 is a `hidden beast` number, since 1 + 633 + 4 + 1 + 7 + 20 = 666.

163341720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222474 + ... + 223206.

Almost surely, 2^163341720 is an apocalyptic number.

163341720 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 163341720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266221800).

163341720 is an abundant number, since it is smaller than the sum of its proper divisors (369101880).

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

163341720 is a wasteful number, since it uses less digits than its factorization.

163341720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 163341720 is about 12780.5211161361. The cubic root of 163341720 is about 546.6370216590.

The spelling of 163341720 in words is "one hundred sixty-three million, three hundred forty-one thousand, seven hundred twenty".