66707370670716 has 36 divisors (see below), whose sum is σ = 168721008528072. Its totient is φ = 22222656245664.

The previous prime is 66707370670691. The next prime is 66707370670723. The reversal of 66707370670716 is 61707607370766.

66707370670716 is a `hidden beast` number, since 66 + 70 + 7 + 370 + 6 + 70 + 71 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547187286 + ... + 547309181.

Almost surely, 2^{66707370670716} is an apocalyptic number.

It is an amenable number.

66707370670716 is an abundant number, since it is smaller than the sum of its proper divisors (102013637857356).

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

66707370670716 is a wasteful number, since it uses less digits than its factorization.

66707370670716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094498170 (or 1094498165 counting only the distinct ones).

The product of its (nonzero) digits is 65345616, while the sum is 63.

The spelling of 66707370670716 in words is "sixty-six trillion, seven hundred seven billion, three hundred seventy million, six hundred seventy thousand, seven hundred sixteen".