168618459412287 has 16 divisors (see below), whose sum is σ = 251337671841280. Its totient is φ = 111722660221176.

The previous prime is 168618459412253. The next prime is 168618459412297. The reversal of 168618459412287 is 782214954816861.

168618459412287 is a `hidden beast` number, since 1 + 6 + 8 + 6 + 1 + 8 + 4 + 594 + 1 + 2 + 28 + 7 = 666.

It is not a de Polignac number, because 168618459412287 - 2¹¹ = 168618459410239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168618459412237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19156830343 + ... + 19156839144.

It is an arithmetic number, because the mean of its divisors is an integer number (15708604490080).

Almost surely, 2^{168618459412287} is an apocalyptic number.

168618459412287 is a deficient number, since it is larger than the sum of its proper divisors (82719212428993).

168618459412287 is a wasteful number, since it uses less digits than its factorization.

168618459412287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38313669659 (or 38313669653 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 72.

The spelling of 168618459412287 in words is "one hundred sixty-eight trillion, six hundred eighteen billion, four hundred fifty-nine million, four hundred twelve thousand, two hundred eighty-seven".