165380495 has 16 divisors (see below), whose sum is σ = 227017728. Its totient is φ = 113298720.

The previous prime is 165380473. The next prime is 165380497. The reversal of 165380495 is 594083561.

It is not a de Polignac number, because 165380495 - 2²⁰ = 164331919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165380497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66362 + ... + 68808.

It is an arithmetic number, because the mean of its divisors is an integer number (14188608).

Almost surely, 2^165380495 is an apocalyptic number.

165380495 is a deficient number, since it is larger than the sum of its proper divisors (61637233).

165380495 is a wasteful number, since it uses less digits than its factorization.

165380495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 165380495 is about 12860.0347977756. The cubic root of 165380495 is about 548.9019359176.

The spelling of 165380495 in words is "one hundred sixty-five million, three hundred eighty thousand, four hundred ninety-five".