164870227 has 4 divisors (see below), whose sum is σ = 167981040. Its totient is φ = 161759416.

The previous prime is 164870207. The next prime is 164870231. The reversal of 164870227 is 722078461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164870227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164870207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555327 + ... + 1555432.

It is an arithmetic number, because the mean of its divisors is an integer number (41995260).

Almost surely, 2^164870227 is an apocalyptic number.

164870227 is a deficient number, since it is larger than the sum of its proper divisors (3110813).

164870227 is an equidigital number, since it uses as much as digits as its factorization.

164870227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110812.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 164870227 is about 12840.1801778635. The cubic root of 164870227 is about 548.3368236295.

The spelling of 164870227 in words is "one hundred sixty-four million, eight hundred seventy thousand, two hundred twenty-seven".