242776662506166 has 8 divisors (see below), whose sum is σ = 485553325012344. Its totient is φ = 80925554168720.

The previous prime is 242776662506143. The next prime is 242776662506167. The reversal of 242776662506166 is 661605266677242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

242776662506166 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242776662506097 and 242776662506106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242776662506167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20231388542175 + ... + 20231388542186.

It is an arithmetic number, because the mean of its divisors is an integer number (60694165626543).

Almost surely, 2^{242776662506166} is an apocalyptic number.

242776662506166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242776662506166 is a wasteful number, since it uses less digits than its factorization.

242776662506166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40462777084366.

The product of its (nonzero) digits is 365783040, while the sum is 66.

The spelling of 242776662506166 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, six hundred sixty-two million, five hundred six thousand, one hundred sixty-six".