163344930 has 48 divisors (see below), whose sum is σ = 456036480. Its totient is φ = 37335648.

The previous prime is 163344889. The next prime is 163344931. The reversal of 163344930 is 39443361.

It is a junction number, because it is equal to n+sod(n) for n = 163344891 and 163344900.

It is not an unprimeable number, because it can be changed into a prime (163344931) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 54090 + ... + 57029.

It is an arithmetic number, because the mean of its divisors is an integer number (9500760).

Almost surely, 2^163344930 is an apocalyptic number.

163344930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163344930 is an abundant number, since it is smaller than the sum of its proper divisors (292691550).

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

163344930 is a wasteful number, since it uses less digits than its factorization.

163344930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111143 (or 111136 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 163344930 is about 12780.6466972528. The cubic root of 163344930 is about 546.6406024820.

The spelling of 163344930 in words is "one hundred sixty-three million, three hundred forty-four thousand, nine hundred thirty".