168145017118345 has 8 divisors (see below), whose sum is σ = 203314280241600. Its totient is φ = 133489173894960.

The previous prime is 168145017118321. The next prime is 168145017118391. The reversal of 168145017118345 is 543811710541861.

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

It is not a de Polignac number, because 168145017118345 - 2¹³ = 168145017110153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128354974245 + ... + 128354975554.

It is an arithmetic number, because the mean of its divisors is an integer number (25414285030200).

Almost surely, 2^{168145017118345} is an apocalyptic number.

It is an amenable number.

168145017118345 is a deficient number, since it is larger than the sum of its proper divisors (35169263123255).

168145017118345 is a wasteful number, since it uses less digits than its factorization.

168145017118345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256709949935.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 168145017118345 in words is "one hundred sixty-eight trillion, one hundred forty-five billion, seventeen million, one hundred eighteen thousand, three hundred forty-five".