660710077673 has 12 divisors (see below), whose sum is σ = 667376254272. Its totient is φ = 654109699320.

The previous prime is 660710077661. The next prime is 660710077697. The reversal of 660710077673 is 376770017066.

It is a de Polignac number, because none of the positive numbers 2^k-660710077673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660710071673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18380588 + ... + 18416498.

It is an arithmetic number, because the mean of its divisors is an integer number (55614687856).

Almost surely, 2^660710077673 is an apocalyptic number.

It is an amenable number.

660710077673 is a deficient number, since it is larger than the sum of its proper divisors (6666176599).

660710077673 is a wasteful number, since it uses less digits than its factorization.

660710077673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37732 (or 37625 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 50.

The spelling of 660710077673 in words is "six hundred sixty billion, seven hundred ten million, seventy-seven thousand, six hundred seventy-three".