168808443 has 32 divisors (see below), whose sum is σ = 236888064. Its totient is φ = 106842912.

The previous prime is 168808429. The next prime is 168808447. The reversal of 168808443 is 344808861.

It is not a de Polignac number, because 168808443 - 2⁴ = 168808427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168808395 and 168808404.

It is not an unprimeable number, because it can be changed into a prime (168808447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010746 + ... + 1010912.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2^168808443 is an apocalyptic number.

168808443 is a deficient number, since it is larger than the sum of its proper divisors (68079621).

168808443 is a wasteful number, since it uses less digits than its factorization.

168808443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 168808443 is about 12992.6303341548. The cubic root of 168808443 is about 552.6685117596.

The spelling of 168808443 in words is "one hundred sixty-eight million, eight hundred eight thousand, four hundred forty-three".