168719943 has 16 divisors (see below), whose sum is σ = 270629120. Its totient is φ = 91336896.

The previous prime is 168719923. The next prime is 168719953. The reversal of 168719943 is 349917861.

It is a happy number.

168719943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168719943 - 2⁵ = 168719911 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168719892 and 168719901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168719923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211030 + ... + 211827.

It is an arithmetic number, because the mean of its divisors is an integer number (16914320).

Almost surely, 2^168719943 is an apocalyptic number.

168719943 is a deficient number, since it is larger than the sum of its proper divisors (101909177).

168719943 is a wasteful number, since it uses less digits than its factorization.

168719943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422886.

The product of its digits is 326592, while the sum is 48.

The square root of 168719943 is about 12989.2241107774. The cubic root of 168719943 is about 552.5719136821.

The spelling of 168719943 in words is "one hundred sixty-eight million, seven hundred nineteen thousand, nine hundred forty-three".