163340120 has 32 divisors (see below), whose sum is σ = 369154800. Its totient is φ = 65044608.

The previous prime is 163340119. The next prime is 163340123. The reversal of 163340120 is 21043361.

It is a super-2 number, since 2×163340120² = 53359989603228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 163340092 and 163340101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163340123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 18074.

Almost surely, 2^163340120 is an apocalyptic number.

163340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163340120 is an abundant number, since it is smaller than the sum of its proper divisors (205814680).

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

163340120 is a wasteful number, since it uses less digits than its factorization.

163340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227 (or 18223 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 163340120 is about 12780.4585207261. The cubic root of 163340120 is about 546.6352368076.

Adding to 163340120 its reverse (21043361), we get a palindrome (184383481).

The spelling of 163340120 in words is "one hundred sixty-three million, three hundred forty thousand, one hundred twenty".