164443414471 has 8 divisors (see below), whose sum is σ = 188026181280. Its totient is φ = 140883360288.

The previous prime is 164443414451. The next prime is 164443414523. The reversal of 164443414471 is 174414344461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 164443414471 - 2⁵ = 164443414439 is a prime.

It is a super-3 number, since 3×164443414471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164443414441) 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, 5662636 + ... + 5691601.

It is an arithmetic number, because the mean of its divisors is an integer number (23503272660).

Almost surely, 2^164443414471 is an apocalyptic number.

164443414471 is a deficient number, since it is larger than the sum of its proper divisors (23582766809).

164443414471 is a wasteful number, since it uses less digits than its factorization.

164443414471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356313.

The product of its digits is 516096, while the sum is 43.

The spelling of 164443414471 in words is "one hundred sixty-four billion, four hundred forty-three million, four hundred fourteen thousand, four hundred seventy-one".