165370 has 16 divisors (see below), whose sum is σ = 311040. Its totient is φ = 63184.

The previous prime is 165367. The next prime is 165379. The reversal of 165370 is 73561.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 165370.

It is not an unprimeable number, because it can be changed into a prime (165379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹⁶⁵³⁷⁰ is an apocalyptic number.

165370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165370 is a deficient number, since it is larger than the sum of its proper divisors (145670).

165370 is a wasteful number, since it uses less digits than its factorization.

165370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 165370 is about 406.6571037127. The cubic root of 165370 is about 54.8890324617.

Subtracting from 165370 its reverse (73561), we obtain a square (91809 = 303²).

It can be divided in two parts, 165 and 370, that added together give a palindrome (535).

The spelling of 165370 in words is "one hundred sixty-five thousand, three hundred seventy".