243466155668 has 6 divisors (see below), whose sum is σ = 426065772426. Its totient is φ = 121733077832.

The previous prime is 243466155661. The next prime is 243466155683. The reversal of 243466155668 is 866551664342.

It can be written as a sum of positive squares in only one way, i.e., 176805112324 + 66661043344 = 420482^2 + 258188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243466155661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30433269455 + ... + 30433269462.

It is an arithmetic number, because the mean of its divisors is an integer number (71010962071).

Almost surely, 2^243466155668 is an apocalyptic number.

It is an amenable number.

243466155668 is a deficient number, since it is larger than the sum of its proper divisors (182599616758).

243466155668 is a wasteful number, since it uses less digits than its factorization.

243466155668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60866538921 (or 60866538919 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 56.

The spelling of 243466155668 in words is "two hundred forty-three billion, four hundred sixty-six million, one hundred fifty-five thousand, six hundred sixty-eight".