243054022160666 has 8 divisors (see below), whose sum is σ = 377152793008020. Its totient is φ = 117336424491328.

The previous prime is 243054022160641. The next prime is 243054022160671. The reversal of 243054022160666 is 666061220450342.

It can be written as a sum of positive squares in 2 ways, for example, as 223230343401025 + 19823678759641 = 14940895^2 + 4452379^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 243054022160666.

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, 2095293294431 + ... + 2095293294546.

Almost surely, 2^{243054022160666} is an apocalyptic number.

243054022160666 is a deficient number, since it is larger than the sum of its proper divisors (134098770847354).

243054022160666 is a wasteful number, since it uses less digits than its factorization.

243054022160666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190586589008.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 243054022160666 in words is "two hundred forty-three trillion, fifty-four billion, twenty-two million, one hundred sixty thousand, six hundred sixty-six".