66063083707 has 4 divisors (see below), whose sum is σ = 66073978696. Its totient is φ = 66052188720.

The previous prime is 66063083663. The next prime is 66063083711. The reversal of 66063083707 is 70738036066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66063083707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66063083797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5438394 + ... + 5450527.

It is an arithmetic number, because the mean of its divisors is an integer number (16518494674).

Almost surely, 2^66063083707 is an apocalyptic number.

66063083707 is a deficient number, since it is larger than the sum of its proper divisors (10894989).

66063083707 is a wasteful number, since it uses less digits than its factorization.

66063083707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894988.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 66063083707 in words is "sixty-six billion, sixty-three million, eighty-three thousand, seven hundred seven".