243347201566361 has 8 divisors (see below), whose sum is σ = 243393535641984. Its totient is φ = 243300870015840.

The previous prime is 243347201566327. The next prime is 243347201566411. The reversal of 243347201566361 is 163665102743342.

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 243347201566361 - 2¹⁸ = 243347201304217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243347201506361) 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, 198056660 + ... + 199281546.

It is an arithmetic number, because the mean of its divisors is an integer number (30424191955248).

Almost surely, 2^{243347201566361} is an apocalyptic number.

It is an amenable number.

243347201566361 is a deficient number, since it is larger than the sum of its proper divisors (46334075623).

243347201566361 is a wasteful number, since it uses less digits than its factorization.

243347201566361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262551.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 243347201566361 in words is "two hundred forty-three trillion, three hundred forty-seven billion, two hundred one million, five hundred sixty-six thousand, three hundred sixty-one".