243680168 has 16 divisors (see below), whose sum is σ = 480948000. Its totient is φ = 115427376.

The previous prime is 243680153. The next prime is 243680191. The reversal of 243680168 is 861086342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801428 + ... + 801731.

It is an arithmetic number, because the mean of its divisors is an integer number (30059250).

Almost surely, 2^243680168 is an apocalyptic number.

It is an amenable number.

243680168 is a deficient number, since it is larger than the sum of its proper divisors (237267832).

243680168 is a wasteful number, since it uses less digits than its factorization.

243680168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603184 (or 1603180 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 243680168 is about 15610.2584219480. The cubic root of 243680168 is about 624.6068294122.

The spelling of 243680168 in words is "two hundred forty-three million, six hundred eighty thousand, one hundred sixty-eight".