66042834506 has 16 divisors (see below), whose sum is σ = 114427157760. Its totient is φ = 28253618880.

The previous prime is 66042834497. The next prime is 66042834511. The reversal of 66042834506 is 60543824066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88292186 + ... + 88292933.

It is an arithmetic number, because the mean of its divisors is an integer number (7151697360).

Almost surely, 2^66042834506 is an apocalyptic number.

66042834506 is a deficient number, since it is larger than the sum of its proper divisors (48384323254).

66042834506 is a wasteful number, since it uses less digits than its factorization.

66042834506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176585149.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 66042834506 in words is "sixty-six billion, forty-two million, eight hundred thirty-four thousand, five hundred six".