163343404 has 12 divisors (see below), whose sum is σ = 326686864. Its totient is φ = 70004304.

The previous prime is 163343393. The next prime is 163343431. The reversal of 163343404 is 404343361.

163343404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

163343404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5833693 = 163343404 / (1 + 6 + 3 + 3 + 4 + 3 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916819 + ... + 2916874.

Almost surely, 2^163343404 is an apocalyptic number.

163343404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163343404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163343404 is a wasteful number, since it uses less digits than its factorization.

163343404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833704 (or 5833702 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 163343404 is about 12780.5869974739. The cubic root of 163343404 is about 546.6389002025.

Adding to 163343404 its reverse (404343361), we get a palindrome (567686765).

The spelling of 163343404 in words is "one hundred sixty-three million, three hundred forty-three thousand, four hundred four".