168218157006017 has 32 divisors (see below), whose sum is σ = 179614890000000. Its totient is φ = 157086926954496.

The previous prime is 168218157006001. The next prime is 168218157006019. The reversal of 168218157006017 is 710600751812861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 168218157006017 - 2⁴ = 168218157006001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168218157006017.

It is not an unprimeable number, because it can be changed into a prime (168218157006019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6866315234 + ... + 6866339732.

It is an arithmetic number, because the mean of its divisors is an integer number (5612965312500).

Almost surely, 2^{168218157006017} is an apocalyptic number.

It is an amenable number.

168218157006017 is a deficient number, since it is larger than the sum of its proper divisors (11396732993983).

168218157006017 is a wasteful number, since it uses less digits than its factorization.

168218157006017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36993.

The product of its (nonzero) digits is 1128960, while the sum is 53.

The spelling of 168218157006017 in words is "one hundred sixty-eight trillion, two hundred eighteen billion, one hundred fifty-seven million, six thousand, seventeen".