66710850710 has 64 divisors (see below), whose sum is σ = 145162340352. Its totient is φ = 21578109696.

The previous prime is 66710850709. The next prime is 66710850721. The reversal of 66710850710 is 1705801766.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166274 + ... + 401333.

It is an arithmetic number, because the mean of its divisors is an integer number (2268161568).

Almost surely, 2^66710850710 is an apocalyptic number.

66710850710 is an abundant number, since it is smaller than the sum of its proper divisors (78451489642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66710850710 is a wasteful number, since it uses less digits than its factorization.

66710850710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567717.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 66710850710 in words is "sixty-six billion, seven hundred ten million, eight hundred fifty thousand, seven hundred ten".