243161636666463 has 24 divisors (see below), whose sum is σ = 360549943946192. Its totient is φ = 157831938246528.

The previous prime is 243161636666441. The next prime is 243161636666491. The reversal of 243161636666463 is 364666636161342.

It is not a de Polignac number, because 243161636666463 - 2²¹ = 243161634569311 is a prime.

It is a super-3 number, since 3×243161636666463³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 243161636666463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243161636666413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003592356 + ... + 1003834617.

Almost surely, 2^{243161636666463} is an apocalyptic number.

243161636666463 is a deficient number, since it is larger than the sum of its proper divisors (117388307279729).

243161636666463 is a wasteful number, since it uses less digits than its factorization.

243161636666463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007427335 (or 2007427332 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 63.

The spelling of 243161636666463 in words is "two hundred forty-three trillion, one hundred sixty-one billion, six hundred thirty-six million, six hundred sixty-six thousand, four hundred sixty-three".