168442127 has 16 divisors (see below), whose sum is σ = 199286784. Its totient is φ = 139320000.

The previous prime is 168442123. The next prime is 168442129. The reversal of 168442127 is 721244861.

It is a cyclic number.

It is not a de Polignac number, because 168442127 - 2² = 168442123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168442123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92627 + ... + 94427.

It is an arithmetic number, because the mean of its divisors is an integer number (12455424).

Almost surely, 2^168442127 is an apocalyptic number.

168442127 is a deficient number, since it is larger than the sum of its proper divisors (30844657).

168442127 is a wasteful number, since it uses less digits than its factorization.

168442127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its digits is 21504, while the sum is 35.

The square root of 168442127 is about 12978.5256096369. The cubic root of 168442127 is about 552.2684568568.

Adding to 168442127 its reverse (721244861), we get a palindrome (889686988).

The spelling of 168442127 in words is "one hundred sixty-eight million, four hundred forty-two thousand, one hundred twenty-seven".