165132765 has 24 divisors (see below), whose sum is σ = 327120768. Its totient is φ = 75489120.

The previous prime is 165132763. The next prime is 165132767. The reversal of 165132765 is 567231561.

It is an interprime number because it is at equal distance from previous prime (165132763) and next prime (165132767).

It is not a de Polignac number, because 165132765 - 2¹ = 165132763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165132763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261801 + ... + 262430.

It is an arithmetic number, because the mean of its divisors is an integer number (13630032).

Almost surely, 2^165132765 is an apocalyptic number.

165132765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165132765 is a deficient number, since it is larger than the sum of its proper divisors (161988003).

165132765 is a wasteful number, since it uses less digits than its factorization.

165132765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524249 (or 524246 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 165132765 is about 12850.3994101351. The cubic root of 165132765 is about 548.6277249644.

The spelling of 165132765 in words is "one hundred sixty-five million, one hundred thirty-two thousand, seven hundred sixty-five".