168906727 has 16 divisors (see below), whose sum is σ = 187228800. Its totient is φ = 151100640.

The previous prime is 168906721. The next prime is 168906763. The reversal of 168906727 is 727609861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 168906727 - 2²⁷ = 34688999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168906721) 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, 214228 + ... + 215014.

It is an arithmetic number, because the mean of its divisors is an integer number (11701800).

Almost surely, 2^168906727 is an apocalyptic number.

168906727 is a deficient number, since it is larger than the sum of its proper divisors (18322073).

168906727 is a wasteful number, since it uses less digits than its factorization.

168906727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 168906727 is about 12996.4120818017. The cubic root of 168906727 is about 552.7757495507.

The spelling of 168906727 in words is "one hundred sixty-eight million, nine hundred six thousand, seven hundred twenty-seven".