165948271 has 8 divisors (see below), whose sum is σ = 175981680. Its totient is φ = 155945088.

The previous prime is 165948257. The next prime is 165948287. The reversal of 165948271 is 172849561.

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 165948271 - 2⁷ = 165948143 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 (165945271) 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, 4300 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (21997710).

Almost surely, 2^165948271 is an apocalyptic number.

165948271 is a deficient number, since it is larger than the sum of its proper divisors (10033409).

165948271 is a wasteful number, since it uses less digits than its factorization.

165948271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113.

The product of its digits is 120960, while the sum is 43.

The square root of 165948271 is about 12882.0910957810. The cubic root of 165948271 is about 549.5293726121.

The spelling of 165948271 in words is "one hundred sixty-five million, nine hundred forty-eight thousand, two hundred seventy-one".