165072727 has 8 divisors (see below), whose sum is σ = 171127440. Its totient is φ = 159042240.

The previous prime is 165072701. The next prime is 165072749. The reversal of 165072727 is 727270561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165072727 - 2⁷ = 165072599 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165075727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8443 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (21390930).

Almost surely, 2^165072727 is an apocalyptic number.

165072727 is a deficient number, since it is larger than the sum of its proper divisors (6054713).

165072727 is a wasteful number, since it uses less digits than its factorization.

165072727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 165072727 is about 12848.0631614263. The cubic root of 165072727 is about 548.5612279572.

The spelling of 165072727 in words is "one hundred sixty-five million, seventy-two thousand, seven hundred twenty-seven".