164365471 has 2 divisors, whose sum is σ = 164365472. Its totient is φ = 164365470.

The previous prime is 164365457. The next prime is 164365483. The reversal of 164365471 is 174563461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164365471 - 2²¹ = 162268319 is a prime.

It is a super-3 number, since 3×164365471³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164365471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164365871) 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, 82182735 + 82182736.

It is an arithmetic number, because the mean of its divisors is an integer number (82182736).

Almost surely, 2^164365471 is an apocalyptic number.

164365471 is a deficient number, since it is larger than the sum of its proper divisors (1).

164365471 is an equidigital number, since it uses as much as digits as its factorization.

164365471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 164365471 is about 12820.5097792560. The cubic root of 164365471 is about 547.7766674355.

It can be divided in two parts, 164365 and 471, that added together give a square (164836 = 406²).

The spelling of 164365471 in words is "one hundred sixty-four million, three hundred sixty-five thousand, four hundred seventy-one".