168226047868 has 12 divisors (see below), whose sum is σ = 296158432752. Its totient is φ = 83609352800.

The previous prime is 168226047791. The next prime is 168226047907. The reversal of 168226047868 is 868740622861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125917033 + ... + 125918368.

It is an arithmetic number, because the mean of its divisors is an integer number (24679869396).

Almost surely, 2^168226047868 is an apocalyptic number.

It is an amenable number.

168226047868 is a deficient number, since it is larger than the sum of its proper divisors (127932384884).

168226047868 is a wasteful number, since it uses less digits than its factorization.

168226047868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251835572 (or 251835570 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 168226047868 in words is "one hundred sixty-eight billion, two hundred twenty-six million, forty-seven thousand, eight hundred sixty-eight".