165130273 has 48 divisors (see below), whose sum is σ = 226078720. Its totient is φ = 117612000.

The previous prime is 165130261. The next prime is 165130283. The reversal of 165130273 is 372031561.

It is not a de Polignac number, because 165130273 - 2¹⁷ = 164999201 is a prime.

It is a super-2 number, since 2×165130273² = 54536014122109058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165130283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498718 + ... + 499048.

Almost surely, 2^165130273 is an apocalyptic number.

It is an amenable number.

165130273 is a deficient number, since it is larger than the sum of its proper divisors (60948447).

165130273 is a wasteful number, since it uses less digits than its factorization.

165130273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 165130273 is about 12850.3024478025. The cubic root of 165130273 is about 548.6249651908.

The spelling of 165130273 in words is "one hundred sixty-five million, one hundred thirty thousand, two hundred seventy-three".