164345871 has 32 divisors (see below), whose sum is σ = 234178560. Its totient is φ = 102340224.

The previous prime is 164345861. The next prime is 164345899. The reversal of 164345871 is 178543461.

It is not a de Polignac number, because 164345871 - 2¹⁰ = 164344847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164345821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736866 + ... + 737088.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^164345871 is an apocalyptic number.

164345871 is a deficient number, since it is larger than the sum of its proper divisors (69832689).

164345871 is a wasteful number, since it uses less digits than its factorization.

164345871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 80640, while the sum is 39.

The square root of 164345871 is about 12819.7453562854. The cubic root of 164345871 is about 547.7548930944.

The spelling of 164345871 in words is "one hundred sixty-four million, three hundred forty-five thousand, eight hundred seventy-one".