66706706737334 has 8 divisors (see below), whose sum is σ = 100107958657080. Its totient is φ = 33337387184976.

The previous prime is 66706706737327. The next prime is 66706706737343. The reversal of 66706706737334 is 43373760760766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7983086624 + ... + 7983094979.

It is an arithmetic number, because the mean of its divisors is an integer number (12513494832135).

Almost surely, 2^{66706706737334} is an apocalyptic number.

66706706737334 is a deficient number, since it is larger than the sum of its proper divisors (33401251919746).

66706706737334 is a wasteful number, since it uses less digits than its factorization.

66706706737334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15966183694.

The product of its (nonzero) digits is 336063168, while the sum is 65.

The spelling of 66706706737334 in words is "sixty-six trillion, seven hundred six billion, seven hundred six million, seven hundred thirty-seven thousand, three hundred thirty-four".