168100043 has 8 divisors (see below), whose sum is σ = 169905600. Its totient is φ = 166300288.

The previous prime is 168100039. The next prime is 168100069. The reversal of 168100043 is 340001861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168100043 - 2² = 168100039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168099991 and 168100018.

It is not an unprimeable number, because it can be changed into a prime (168100003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80213 + ... + 82281.

It is an arithmetic number, because the mean of its divisors is an integer number (21238200).

Almost surely, 2^168100043 is an apocalyptic number.

168100043 is a deficient number, since it is larger than the sum of its proper divisors (1805557).

168100043 is a wasteful number, since it uses less digits than its factorization.

168100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 168100043 is about 12965.3400649578. The cubic root of 168100043 is about 551.8943417373.

The spelling of 168100043 in words is "one hundred sixty-eight million, one hundred thousand, forty-three".