165380055 has 8 divisors (see below), whose sum is σ = 264608112. Its totient is φ = 88202688.

The previous prime is 165380027. The next prime is 165380081. The reversal of 165380055 is 550083561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165380055 - 2⁵ = 165380023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165379998 and 165380025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512654 + ... + 5512683.

It is an arithmetic number, because the mean of its divisors is an integer number (33076014).

Almost surely, 2^165380055 is an apocalyptic number.

165380055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165380055 is a deficient number, since it is larger than the sum of its proper divisors (99228057).

165380055 is a wasteful number, since it uses less digits than its factorization.

165380055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025345.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 165380055 is about 12860.0176905011. The cubic root of 165380055 is about 548.9014491268.

The spelling of 165380055 in words is "one hundred sixty-five million, three hundred eighty thousand, fifty-five".