243417164 has 24 divisors (see below), whose sum is σ = 442902768. Its totient is φ = 116962560.

The previous prime is 243417149. The next prime is 243417173. The reversal of 243417164 is 461714342.

It is a self number, because there is not a number n which added to its sum of digits gives 243417164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89 + ... + 22064.

It is an arithmetic number, because the mean of its divisors is an integer number (18454282).

Almost surely, 2^243417164 is an apocalyptic number.

It is an amenable number.

243417164 is a deficient number, since it is larger than the sum of its proper divisors (199485604).

243417164 is a wasteful number, since it uses less digits than its factorization.

243417164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22265 (or 22263 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 243417164 is about 15601.8320719075. The cubic root of 243417164 is about 624.3820358071.

The spelling of 243417164 in words is "two hundred forty-three million, four hundred seventeen thousand, one hundred sixty-four".