168135065717075 has 36 divisors (see below), whose sum is σ = 215575144510824. Its totient is φ = 130081281408000.

The previous prime is 168135065717053. The next prime is 168135065717089. The reversal of 168135065717075 is 570717560531861.

It is not a de Polignac number, because 168135065717075 - 2⁸ = 168135065716819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168135065716999 and 168135065717017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33269555 + ... + 37988595.

It is an arithmetic number, because the mean of its divisors is an integer number (5988198458634).

Almost surely, 2^{168135065717075} is an apocalyptic number.

168135065717075 is a deficient number, since it is larger than the sum of its proper divisors (47440078793749).

168135065717075 is a wasteful number, since it uses less digits than its factorization.

168135065717075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720596 (or 4720560 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 62.

The spelling of 168135065717075 in words is "one hundred sixty-eight trillion, one hundred thirty-five billion, sixty-five million, seven hundred seventeen thousand, seventy-five".