66131143116342 has 16 divisors (see below), whose sum is σ = 132993017098032. Its totient is φ = 21921925894560.

The previous prime is 66131143116307. The next prime is 66131143116427. The reversal of 66131143116342 is 24361134113166.

It is a happy number.

66131143116342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66131143116294 and 66131143116303.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30447118213 + ... + 30447120384.

It is an arithmetic number, because the mean of its divisors is an integer number (8312063568627).

Almost surely, 2^{66131143116342} is an apocalyptic number.

66131143116342 is an abundant number, since it is smaller than the sum of its proper divisors (66861873981690).

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

66131143116342 is a wasteful number, since it uses less digits than its factorization.

66131143116342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60894238783.

The product of its digits is 186624, while the sum is 42.

The spelling of 66131143116342 in words is "sixty-six trillion, one hundred thirty-one billion, one hundred forty-three million, one hundred sixteen thousand, three hundred forty-two".