242385657163 has 16 divisors (see below), whose sum is σ = 262009165600. Its totient is φ = 222903394560.

The previous prime is 242385657133. The next prime is 242385657181. The reversal of 242385657163 is 361756583242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242385657163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242385657163.

It is not an unprimeable number, because it can be changed into a prime (242385657133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4014583 + ... + 4074511.

It is an arithmetic number, because the mean of its divisors is an integer number (16375572850).

Almost surely, 2^242385657163 is an apocalyptic number.

242385657163 is a deficient number, since it is larger than the sum of its proper divisors (19623508437).

242385657163 is a wasteful number, since it uses less digits than its factorization.

242385657163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61102.

The product of its digits is 7257600, while the sum is 52.

The spelling of 242385657163 in words is "two hundred forty-two billion, three hundred eighty-five million, six hundred fifty-seven thousand, one hundred sixty-three".