168632854945868 has 12 divisors (see below), whose sum is σ = 307938256857840. Its totient is φ = 80650495843632.

The previous prime is 168632854945861. The next prime is 168632854945909. The reversal of 168632854945868 is 868549458236861.

It is not an unprimeable number, because it can be changed into a prime (168632854945861) 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 3 ways as a sum of consecutive naturals, for example, 916482907223 + ... + 916482907406.

It is an arithmetic number, because the mean of its divisors is an integer number (25661521404820).

Almost surely, 2^{168632854945868} is an apocalyptic number.

It is an amenable number.

168632854945868 is a deficient number, since it is larger than the sum of its proper divisors (139305401911972).

168632854945868 is a wasteful number, since it uses less digits than its factorization.

168632854945868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832965814656 (or 1832965814654 counting only the distinct ones).

The product of its digits is 19110297600, while the sum is 83.

The spelling of 168632854945868 in words is "one hundred sixty-eight trillion, six hundred thirty-two billion, eight hundred fifty-four million, nine hundred forty-five thousand, eight hundred sixty-eight".