165332671 has 8 divisors (see below), whose sum is σ = 197167104. Its totient is φ = 135552120.

The previous prime is 165332627. The next prime is 165332689. The reversal of 165332671 is 176233561.

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 165332671 - 2¹¹ = 165330623 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 (165332621) 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, 513295 + ... + 513616.

It is an arithmetic number, because the mean of its divisors is an integer number (24645888).

Almost surely, 2^165332671 is an apocalyptic number.

165332671 is a deficient number, since it is larger than the sum of its proper divisors (31834433).

165332671 is a wasteful number, since it uses less digits than its factorization.

165332671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026941.

The product of its digits is 22680, while the sum is 34.

The square root of 165332671 is about 12858.1752593438. The cubic root of 165332671 is about 548.8490211387.

The spelling of 165332671 in words is "one hundred sixty-five million, three hundred thirty-two thousand, six hundred seventy-one".