164244471 has 8 divisors (see below), whose sum is σ = 219054720. Its totient is φ = 109465272.

The previous prime is 164244439. The next prime is 164244491. The reversal of 164244471 is 174442461.

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

It is not a de Polignac number, because 164244471 - 2⁵ = 164244439 is a prime.

It is a super-3 number, since 3×164244471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164244491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11206 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (27381840).

Almost surely, 2^164244471 is an apocalyptic number.

164244471 is a deficient number, since it is larger than the sum of its proper divisors (54810249).

164244471 is a wasteful number, since it uses less digits than its factorization.

164244471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its digits is 21504, while the sum is 33.

The square root of 164244471 is about 12815.7899093267. The cubic root of 164244471 is about 547.6422165528.

The spelling of 164244471 in words is "one hundred sixty-four million, two hundred forty-four thousand, four hundred seventy-one".