667616317360746 has 64 divisors (see below), whose sum is σ = 1452788916007296. Its totient is φ = 203299600896000.

The previous prime is 667616317360711. The next prime is 667616317360789. The reversal of 667616317360746 is 647063713616766.

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, 528467046 + ... + 529728846.

It is an arithmetic number, because the mean of its divisors is an integer number (22699826812614).

Almost surely, 2^{667616317360746} is an apocalyptic number.

667616317360746 is an abundant number, since it is smaller than the sum of its proper divisors (785172598646550).

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

667616317360746 is a wasteful number, since it uses less digits than its factorization.

667616317360746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331847.

The product of its (nonzero) digits is 576108288, while the sum is 69.

The spelling of 667616317360746 in words is "six hundred sixty-seven trillion, six hundred sixteen billion, three hundred seventeen million, three hundred sixty thousand, seven hundred forty-six".