164234471 has 2 divisors, whose sum is σ = 164234472. Its totient is φ = 164234470.

The previous prime is 164234437. The next prime is 164234491. The reversal of 164234471 is 174432461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164234471 is a prime.

It is a super-3 number, since 3×164234471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164234491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82117235 + 82117236.

It is an arithmetic number, because the mean of its divisors is an integer number (82117236).

Almost surely, 2^164234471 is an apocalyptic number.

164234471 is a deficient number, since it is larger than the sum of its proper divisors (1).

164234471 is an equidigital number, since it uses as much as digits as its factorization.

164234471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 164234471 is about 12815.3997596642. The cubic root of 164234471 is about 547.6311019558.

The spelling of 164234471 in words is "one hundred sixty-four million, two hundred thirty-four thousand, four hundred seventy-one".