243166053 has 8 divisors (see below), whose sum is σ = 349161568. Its totient is φ = 149640624.

The previous prime is 243166031. The next prime is 243166087. The reversal of 243166053 is 350661342.

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

It is not a de Polignac number, because 243166053 - 2⁹ = 243165541 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 243166053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243166003) 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, 3117475 + ... + 3117552.

It is an arithmetic number, because the mean of its divisors is an integer number (43645196).

Almost surely, 2^243166053 is an apocalyptic number.

It is an amenable number.

243166053 is a deficient number, since it is larger than the sum of its proper divisors (105995515).

243166053 is a wasteful number, since it uses less digits than its factorization.

243166053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235043.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 243166053 is about 15593.7825109882. The cubic root of 243166053 is about 624.1672561798.

The spelling of 243166053 in words is "two hundred forty-three million, one hundred sixty-six thousand, fifty-three".