168793346543 has 4 divisors (see below), whose sum is σ = 173355328920. Its totient is φ = 164231364168.

The previous prime is 168793346539. The next prime is 168793346567. The reversal of 168793346543 is 345643397861.

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 168793346543 - 2² = 168793346539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168793346573) 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, 2280991133 + ... + 2280991206.

It is an arithmetic number, because the mean of its divisors is an integer number (43338832230).

Almost surely, 2^168793346543 is an apocalyptic number.

168793346543 is a deficient number, since it is larger than the sum of its proper divisors (4561982377).

168793346543 is an equidigital number, since it uses as much as digits as its factorization.

168793346543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561982376.

The product of its digits is 39191040, while the sum is 59.

The spelling of 168793346543 in words is "one hundred sixty-eight billion, seven hundred ninety-three million, three hundred forty-six thousand, five hundred forty-three".