168744874443 has 4 divisors (see below), whose sum is σ = 224993165928. Its totient is φ = 112496582960.

The previous prime is 168744874429. The next prime is 168744874489. The reversal of 168744874443 is 344478447861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168744874443 - 2⁴ = 168744874427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168744874843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28124145738 + ... + 28124145743.

It is an arithmetic number, because the mean of its divisors is an integer number (56248291482).

Almost surely, 2^168744874443 is an apocalyptic number.

168744874443 is a deficient number, since it is larger than the sum of its proper divisors (56248291485).

168744874443 is an equidigital number, since it uses as much as digits as its factorization.

168744874443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56248291484.

The product of its digits is 57802752, while the sum is 60.

The spelling of 168744874443 in words is "one hundred sixty-eight billion, seven hundred forty-four million, eight hundred seventy-four thousand, four hundred forty-three".