163344155 has 32 divisors (see below), whose sum is σ = 216760320. Its totient is φ = 117429120.

The previous prime is 163344101. The next prime is 163344161. The reversal of 163344155 is 551443361.

It is not a de Polignac number, because 163344155 - 2¹² = 163340059 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732374 + ... + 732596.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^163344155 is an apocalyptic number.

163344155 is a deficient number, since it is larger than the sum of its proper divisors (53416165).

163344155 is a wasteful number, since it uses less digits than its factorization.

163344155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 21600, while the sum is 32.

The square root of 163344155 is about 12780.6163779373. The cubic root of 163344155 is about 546.6397379573.

The spelling of 163344155 in words is "one hundred sixty-three million, three hundred forty-four thousand, one hundred fifty-five".