164248852171 has 4 divisors (see below), whose sum is σ = 164252010600. Its totient is φ = 164245693744.

The previous prime is 164248852129. The next prime is 164248852231. The reversal of 164248852171 is 171258842461.

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

It is a cyclic number.

It is not a de Polignac number, because 164248852171 - 2²⁷ = 164114634443 is a prime.

It is a super-2 number, since 2×164248852171² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164248852571) 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, 1499881 + ... + 1605658.

It is an arithmetic number, because the mean of its divisors is an integer number (41063002650).

Almost surely, 2^164248852171 is an apocalyptic number.

164248852171 is a deficient number, since it is larger than the sum of its proper divisors (3158429).

164248852171 is an equidigital number, since it uses as much as digits as its factorization.

164248852171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158428.

The product of its digits is 860160, while the sum is 49.

The spelling of 164248852171 in words is "one hundred sixty-four billion, two hundred forty-eight million, eight hundred fifty-two thousand, one hundred seventy-one".