66700333670 has 64 divisors (see below), whose sum is σ = 123097423680. Its totient is φ = 26013696000.

The previous prime is 66700333621. The next prime is 66700333681. The reversal of 66700333670 is 7633300766.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 41660870 + ... + 41662470.

It is an arithmetic number, because the mean of its divisors is an integer number (1923397245).

Almost surely, 2^66700333670 is an apocalyptic number.

66700333670 is a deficient number, since it is larger than the sum of its proper divisors (56397090010).

66700333670 is a wasteful number, since it uses less digits than its factorization.

66700333670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201.

The product of its (nonzero) digits is 285768, while the sum is 41.

The spelling of 66700333670 in words is "sixty-six billion, seven hundred million, three hundred thirty-three thousand, six hundred seventy".