168171143351342 has 16 divisors (see below), whose sum is σ = 252318155853312. Its totient is φ = 84065092178040.

The previous prime is 168171143351327. The next prime is 168171143351347. The reversal of 168171143351342 is 243153341171861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168171143351347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514009667 + ... + 514336737.

It is an arithmetic number, because the mean of its divisors is an integer number (15769884740832).

Almost surely, 2^{168171143351342} is an apocalyptic number.

168171143351342 is a deficient number, since it is larger than the sum of its proper divisors (84147012501970).

168171143351342 is a wasteful number, since it uses less digits than its factorization.

168171143351342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388903.

The product of its digits is 1451520, while the sum is 50.

The spelling of 168171143351342 in words is "one hundred sixty-eight trillion, one hundred seventy-one billion, one hundred forty-three million, three hundred fifty-one thousand, three hundred forty-two".