168413227 has 4 divisors (see below), whose sum is σ = 170545120. Its totient is φ = 166281336.

The previous prime is 168413209. The next prime is 168413239. The reversal of 168413227 is 722314861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722314861 = 29 ⋅24907409.

It is a cyclic number.

It is not a de Polignac number, because 168413227 - 2¹⁹ = 167888939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168413192 and 168413201.

It is not an unprimeable number, because it can be changed into a prime (168413257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065828 + ... + 1065985.

It is an arithmetic number, because the mean of its divisors is an integer number (42636280).

Almost surely, 2^168413227 is an apocalyptic number.

168413227 is a deficient number, since it is larger than the sum of its proper divisors (2131893).

168413227 is an equidigital number, since it uses as much as digits as its factorization.

168413227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131892.

The product of its digits is 16128, while the sum is 34.

The square root of 168413227 is about 12977.4121842531. The cubic root of 168413227 is about 552.2368703972.

The spelling of 168413227 in words is "one hundred sixty-eight million, four hundred thirteen thousand, two hundred twenty-seven".