243364163 has 8 divisors (see below), whose sum is σ = 294491232. Its totient is φ = 196327296.

The previous prime is 243364159. The next prime is 243364171. The reversal of 243364163 is 361463342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243364163 - 2² = 243364159 is a prime.

It is a super-2 number, since 2×243364163² = 118452231665381138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243364123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022420 + ... + 1022657.

It is an arithmetic number, because the mean of its divisors is an integer number (36811404).

Almost surely, 2^243364163 is an apocalyptic number.

243364163 is a deficient number, since it is larger than the sum of its proper divisors (51127069).

243364163 is a wasteful number, since it uses less digits than its factorization.

243364163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045101.

The product of its digits is 31104, while the sum is 32.

The square root of 243364163 is about 15600.1334289166. The cubic root of 243364163 is about 624.3367154281.

The spelling of 243364163 in words is "two hundred forty-three million, three hundred sixty-four thousand, one hundred sixty-three".