243364677043216 has 20 divisors (see below), whose sum is σ = 471584614484412. Its totient is φ = 121665421692416.

The previous prime is 243364677043199. The next prime is 243364677043249. The reversal of 243364677043216 is 612340776463342.

It can be written as a sum of positive squares in 2 ways, for example, as 144747463458816 + 98617213584400 = 12031104^2 + 9930620^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057183141 + ... + 1057413316.

Almost surely, 2^{243364677043216} is an apocalyptic number.

It is an amenable number.

243364677043216 is a deficient number, since it is larger than the sum of its proper divisors (228219937441196).

243364677043216 is a wasteful number, since it uses less digits than its factorization.

243364677043216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114603658 (or 2114603652 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 58.

The spelling of 243364677043216 in words is "two hundred forty-three trillion, three hundred sixty-four billion, six hundred seventy-seven million, forty-three thousand, two hundred sixteen".