163370343 has 4 divisors (see below), whose sum is σ = 217827128. Its totient is φ = 108913560.

The previous prime is 163370297. The next prime is 163370353. The reversal of 163370343 is 343073361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163370343 - 2⁸ = 163370087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163370343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163370353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27228388 + ... + 27228393.

It is an arithmetic number, because the mean of its divisors is an integer number (54456782).

Almost surely, 2^163370343 is an apocalyptic number.

163370343 is a deficient number, since it is larger than the sum of its proper divisors (54456785).

163370343 is an equidigital number, since it uses as much as digits as its factorization.

163370343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54456784.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 163370343 is about 12781.6408571044. The cubic root of 163370343 is about 546.6689495658.

The spelling of 163370343 in words is "one hundred sixty-three million, three hundred seventy thousand, three hundred forty-three".