243164268 has 36 divisors (see below), whose sum is σ = 637433160. Its totient is φ = 81054432.

The previous prime is 243164263. The next prime is 243164281. The reversal of 243164268 is 862461342.

243164268 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 642 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×243164268² = 118257722463951648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (243164263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124113 + ... + 126056.

Almost surely, 2^243164268 is an apocalyptic number.

It is an amenable number.

243164268 is an abundant number, since it is smaller than the sum of its proper divisors (394268892).

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

243164268 is a wasteful number, since it uses less digits than its factorization.

243164268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250188 (or 250174 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 243164268 is about 15593.7252765335. The cubic root of 243164268 is about 624.1657289090.

It can be divided in two parts, 243 and 164268, that multiplied together give a square (39917124 = 6318²).

The spelling of 243164268 in words is "two hundred forty-three million, one hundred sixty-four thousand, two hundred sixty-eight".