168449428359099 has 48 divisors (see below), whose sum is σ = 257144922777600. Its totient is φ = 105964711574400.

The previous prime is 168449428359073. The next prime is 168449428359101. The reversal of 168449428359099 is 990953824944861.

168449428359099 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 494 + 2 + 8 + 35 + 9 + 0 + 99 = 666.

It is not a de Polignac number, because 168449428359099 - 2⁷ = 168449428358971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168449428359019) 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 47 ways as a sum of consecutive naturals, for example, 67321654 + ... + 69778964.

It is an arithmetic number, because the mean of its divisors is an integer number (5357185891200).

Almost surely, 2^{168449428359099} is an apocalyptic number.

168449428359099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

168449428359099 is a deficient number, since it is larger than the sum of its proper divisors (88695494418501).

168449428359099 is a wasteful number, since it uses less digits than its factorization.

168449428359099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458936 (or 2458933 counting only the distinct ones).

The product of its (nonzero) digits is 4837294080, while the sum is 81.

The spelling of 168449428359099 in words is "one hundred sixty-eight trillion, four hundred forty-nine billion, four hundred twenty-eight million, three hundred fifty-nine thousand, ninety-nine".