66060660446242 has 32 divisors (see below), whose sum is σ = 123544940073984. Its totient is φ = 25737310126800.

The previous prime is 66060660446237. The next prime is 66060660446273. The reversal of 66060660446242 is 24264406606066.

It is a self number, because there is not a number n which added to its sum of digits gives 66060660446242.

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 15 ways as a sum of consecutive naturals, for example, 1471867 + ... + 11588257.

It is an arithmetic number, because the mean of its divisors is an integer number (3860779377312).

Almost surely, 2^{66060660446242} is an apocalyptic number.

66060660446242 is a deficient number, since it is larger than the sum of its proper divisors (57484279627742).

66060660446242 is a wasteful number, since it uses less digits than its factorization.

66060660446242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158814.

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 66060660446242 in words is "sixty-six trillion, sixty billion, six hundred sixty million, four hundred forty-six thousand, two hundred forty-two".