66710337670 has 16 divisors (see below), whose sum is σ = 127142055648. Its totient is φ = 25114480000.

The previous prime is 66710337667. The next prime is 66710337779. The reversal of 66710337670 is 7673301766.

It is a self number, because there is not a number n which added to its sum of digits gives 66710337670.

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 7 ways as a sum of consecutive naturals, for example, 196206706 + ... + 196207045.

It is an arithmetic number, because the mean of its divisors is an integer number (7946378478).

Almost surely, 2^66710337670 is an apocalyptic number.

66710337670 is a deficient number, since it is larger than the sum of its proper divisors (60431717978).

66710337670 is a wasteful number, since it uses less digits than its factorization.

66710337670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392413775.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 66710337670 in words is "sixty-six billion, seven hundred ten million, three hundred thirty-seven thousand, six hundred seventy".