66244094042 has 16 divisors (see below), whose sum is σ = 113844508992. Its totient is φ = 28319524800.

The previous prime is 66244094041. The next prime is 66244094087. The reversal of 66244094042 is 24049044266.

It is not an unprimeable number, because it can be changed into a prime (66244094041) by changing a digit.

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, 5894288 + ... + 5905515.

It is an arithmetic number, because the mean of its divisors is an integer number (7115281812).

Almost surely, 2^66244094042 is an apocalyptic number.

66244094042 is a deficient number, since it is larger than the sum of its proper divisors (47600414950).

66244094042 is a wasteful number, since it uses less digits than its factorization.

66244094042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800213.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 66244094042 in words is "sixty-six billion, two hundred forty-four million, ninety-four thousand, forty-two".