163344530 has 32 divisors (see below), whose sum is σ = 311256000. Its totient is φ = 61612992.

The previous prime is 163344499. The next prime is 163344547. The reversal of 163344530 is 35443361.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 163344493 and 163344502.

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 15 ways as a sum of consecutive naturals, for example, 5921 + ... + 19019.

It is an arithmetic number, because the mean of its divisors is an integer number (9726750).

Almost surely, 2^163344530 is an apocalyptic number.

163344530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163344530 is a deficient number, since it is larger than the sum of its proper divisors (147911470).

163344530 is a wasteful number, since it uses less digits than its factorization.

163344530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 163344530 is about 12780.6310485829. The cubic root of 163344530 is about 546.6401562760.

Adding to 163344530 its reverse (35443361), we get a palindrome (198787891).

The spelling of 163344530 in words is "one hundred sixty-three million, three hundred forty-four thousand, five hundred thirty".