168363547427 has 4 divisors (see below), whose sum is σ = 168391203960. Its totient is φ = 168335890896.

The previous prime is 168363547393. The next prime is 168363547447. The reversal of 168363547427 is 724745363861.

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 168363547427 - 2¹⁴ = 168363531043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168363547447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13819133 + ... + 13831310.

It is an arithmetic number, because the mean of its divisors is an integer number (42097800990).

Almost surely, 2^168363547427 is an apocalyptic number.

168363547427 is a deficient number, since it is larger than the sum of its proper divisors (27656533).

168363547427 is an equidigital number, since it uses as much as digits as its factorization.

168363547427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27656532.

The product of its digits is 20321280, while the sum is 56.

The spelling of 168363547427 in words is "one hundred sixty-eight billion, three hundred sixty-three million, five hundred forty-seven thousand, four hundred twenty-seven".