165190 has 8 divisors (see below), whose sum is σ = 297360. Its totient is φ = 66072.

The previous prime is 165181. The next prime is 165203. The reversal of 165190 is 91561.

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

It is a super-2 number, since 2×165190² = 54575472200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8250 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (37170).

2¹⁶⁵¹⁹⁰ is an apocalyptic number.

165190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165190 is a deficient number, since it is larger than the sum of its proper divisors (132170).

165190 is a wasteful number, since it uses less digits than its factorization.

165190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 165190 is about 406.4357267761. The cubic root of 165190 is about 54.8691102414.

The spelling of 165190 in words is "one hundred sixty-five thousand, one hundred ninety".