66583474342 has 16 divisors (see below), whose sum is σ = 124519744512. Its totient is φ = 25941613320.

The previous prime is 66583474273. The next prime is 66583474351. The reversal of 66583474342 is 24347438566.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66583474342.

It is a congruent number.

It is an unprimeable number.

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, 216179958 + ... + 216180265.

It is an arithmetic number, because the mean of its divisors is an integer number (7782484032).

Almost surely, 2^66583474342 is an apocalyptic number.

66583474342 is a deficient number, since it is larger than the sum of its proper divisors (57936270170).

66583474342 is a wasteful number, since it uses less digits than its factorization.

66583474342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432360243.

The product of its digits is 11612160, while the sum is 52.

The spelling of 66583474342 in words is "sixty-six billion, five hundred eighty-three million, four hundred seventy-four thousand, three hundred forty-two".