66717644012314 has 64 divisors (see below), whose sum is σ = 107863918313472. Its totient is φ = 30836969363200.

The previous prime is 66717644012207. The next prime is 66717644012359. The reversal of 66717644012314 is 41321044671766.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710569479 + ... + 710663365.

It is an arithmetic number, because the mean of its divisors is an integer number (1685373723648).

Almost surely, 2^{66717644012314} is an apocalyptic number.

66717644012314 is a deficient number, since it is larger than the sum of its proper divisors (41146274301158).

66717644012314 is a wasteful number, since it uses less digits than its factorization.

66717644012314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95091.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 66717644012314 in words is "sixty-six trillion, seven hundred seventeen billion, six hundred forty-four million, twelve thousand, three hundred fourteen".