667116862265 has 8 divisors (see below), whose sum is σ = 914903125440. Its totient is φ = 457451562672.

The previous prime is 667116862163. The next prime is 667116862289. The reversal of 667116862265 is 562268611766.

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

It is a cyclic number.

It is not a de Polignac number, because 667116862265 - 2¹⁰ = 667116861241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667116862265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530240855 + ... + 9530240924.

It is an arithmetic number, because the mean of its divisors is an integer number (114362890680).

Almost surely, 2^667116862265 is an apocalyptic number.

It is an amenable number.

667116862265 is a deficient number, since it is larger than the sum of its proper divisors (247786263175).

667116862265 is a wasteful number, since it uses less digits than its factorization.

667116862265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19060481791.

The product of its digits is 8709120, while the sum is 56.

The spelling of 667116862265 in words is "six hundred sixty-seven billion, one hundred sixteen million, eight hundred sixty-two thousand, two hundred sixty-five".