164290 has 16 divisors (see below), whose sum is σ = 338112. Its totient is φ = 56304.

The previous prime is 164279. The next prime is 164291. The reversal of 164290 is 92461.

It is not an unprimeable number, because it can be changed into a prime (164291) by changing a digit.

164290 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (21132).

2¹⁶⁴²⁹⁰ is an apocalyptic number.

164290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164290 is an abundant number, since it is smaller than the sum of its proper divisors (173822).

It is a weird number, because it is abundant, but not a pseudoperfect number.

164290 is a wasteful number, since it uses less digits than its factorization.

164290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 164290 is about 405.3270284597. The cubic root of 164290 is about 54.7692814499.

It can be divided in two parts, 164 and 290, that added together give a palindrome (454).

The spelling of 164290 in words is "one hundred sixty-four thousand, two hundred ninety".