242161901606 has 16 divisors (see below), whose sum is σ = 365884411200. Its totient is φ = 120200566248.

The previous prime is 242161901591. The next prime is 242161901609. The reversal of 242161901606 is 606109161242.

It is a self number, because there is not a number n which added to its sum of digits gives 242161901606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242161901609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4824185 + ... + 4874123.

It is an arithmetic number, because the mean of its divisors is an integer number (22867775700).

Almost surely, 2^242161901606 is an apocalyptic number.

242161901606 is a deficient number, since it is larger than the sum of its proper divisors (123722509594).

242161901606 is a wasteful number, since it uses less digits than its factorization.

242161901606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67523.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 242161901606 in words is "two hundred forty-two billion, one hundred sixty-one million, nine hundred one thousand, six hundred six".