168668927 has 6 divisors (see below), whose sum is σ = 196206768. Its totient is φ = 144573324.

The previous prime is 168668921. The next prime is 168668939. The reversal of 168668927 is 729866861.

It is not a de Polignac number, because 168668927 - 2¹⁸ = 168406783 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 (168668921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1721063 + ... + 1721160.

It is an arithmetic number, because the mean of its divisors is an integer number (32701128).

Almost surely, 2^168668927 is an apocalyptic number.

168668927 is a deficient number, since it is larger than the sum of its proper divisors (27537841).

168668927 is an equidigital number, since it uses as much as digits as its factorization.

168668927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442237 (or 3442230 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 168668927 is about 12987.2601806540. The cubic root of 168668927 is about 552.5162141799.

The spelling of 168668927 in words is "one hundred sixty-eight million, six hundred sixty-eight thousand, nine hundred twenty-seven".