164210165 has 16 divisors (see below), whose sum is σ = 229454208. Its totient is φ = 110475456.

The previous prime is 164210071. The next prime is 164210171. The reversal of 164210165 is 561012461.

It is not a de Polignac number, because 164210165 - 2²⁰ = 163161589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42407 + ... + 46116.

It is an arithmetic number, because the mean of its divisors is an integer number (14340888).

Almost surely, 2^164210165 is an apocalyptic number.

It is an amenable number.

164210165 is a deficient number, since it is larger than the sum of its proper divisors (65244043).

164210165 is an equidigital number, since it uses as much as digits as its factorization.

164210165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88588.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 164210165 is about 12814.4514123703. The cubic root of 164210165 is about 547.6040849352.

The spelling of 164210165 in words is "one hundred sixty-four million, two hundred ten thousand, one hundred sixty-five".