165482573 has 4 divisors (see below), whose sum is σ = 175216860. Its totient is φ = 155748288.

The previous prime is 165482567. The next prime is 165482579. The reversal of 165482573 is 375284561.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (165482567) and next prime (165482579).

It can be written as a sum of positive squares in 2 ways, for example, as 126382564 + 39100009 = 11242^2 + 6253^2 .

It is not a de Polignac number, because 165482573 - 2¹² = 165478477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165482573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165482579) 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 3 ways as a sum of consecutive naturals, for example, 4867118 + ... + 4867151.

It is an arithmetic number, because the mean of its divisors is an integer number (43804215).

Almost surely, 2^165482573 is an apocalyptic number.

It is an amenable number.

165482573 is a deficient number, since it is larger than the sum of its proper divisors (9734287).

165482573 is an equidigital number, since it uses as much as digits as its factorization.

165482573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9734286.

The product of its digits is 201600, while the sum is 41.

The square root of 165482573 is about 12864.0029928479. The cubic root of 165482573 is about 549.0148458222.

The spelling of 165482573 in words is "one hundred sixty-five million, four hundred eighty-two thousand, five hundred seventy-three".