164435417 has 2 divisors, whose sum is σ = 164435418. Its totient is φ = 164435416.

The previous prime is 164435413. The next prime is 164435429. The reversal of 164435417 is 714534461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137851081 + 26584336 = 11741^2 + 5156^2 .

It is a cyclic number.

It is not a de Polignac number, because 164435417 - 2² = 164435413 is a prime.

It is a super-3 number, since 3×164435417³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164435413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82217708 + 82217709.

It is an arithmetic number, because the mean of its divisors is an integer number (82217709).

Almost surely, 2^164435417 is an apocalyptic number.

It is an amenable number.

164435417 is a deficient number, since it is larger than the sum of its proper divisors (1).

164435417 is an equidigital number, since it uses as much as digits as its factorization.

164435417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 164435417 is about 12823.2373837499. The cubic root of 164435417 is about 547.8543588404.

Adding to 164435417 its reverse (714534461), we get a palindrome (878969878).

The spelling of 164435417 in words is "one hundred sixty-four million, four hundred thirty-five thousand, four hundred seventeen".