165368727 has 24 divisors (see below), whose sum is σ = 244127520. Its totient is φ = 107842560.

The previous prime is 165368719. The next prime is 165368729. The reversal of 165368727 is 727863561.

165368727 is a `hidden beast` number, since 16 + 536 + 87 + 27 = 666.

It is not a de Polignac number, because 165368727 - 2³ = 165368719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165368729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86599 + ... + 88487.

It is an arithmetic number, because the mean of its divisors is an integer number (10171980).

Almost surely, 2^165368727 is an apocalyptic number.

165368727 is a deficient number, since it is larger than the sum of its proper divisors (78758793).

165368727 is a wasteful number, since it uses less digits than its factorization.

165368727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2100 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 165368727 is about 12859.5772481058. The cubic root of 165368727 is about 548.8889161815. Note that the first 3 decimals are identical.

The spelling of 165368727 in words is "one hundred sixty-five million, three hundred sixty-eight thousand, seven hundred twenty-seven".