168449428359108 has 192 divisors, whose sum is σ = 483376492032000. Its totient is φ = 50410709002368.

The previous prime is 168449428359101. The next prime is 168449428359127. The reversal of 168449428359108 is 801953824944861.

It is a happy number.

168449428359108 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 4 + 9 + 4 + 28 + 3 + 591 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (168449428359101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3902298 + ... + 18765041.

It is an arithmetic number, because the mean of its divisors is an integer number (2517585896000).

Almost surely, 2^{168449428359108} is an apocalyptic number.

168449428359108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168449428359108 is an abundant number, since it is smaller than the sum of its proper divisors (314927063672892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168449428359108 is a wasteful number, since it uses less digits than its factorization.

168449428359108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22667511 (or 22667503 counting only the distinct ones).

The product of its (nonzero) digits is 477757440, while the sum is 72.

The spelling of 168449428359108 in words is "one hundred sixty-eight trillion, four hundred forty-nine billion, four hundred twenty-eight million, three hundred fifty-nine thousand, one hundred eight".