164241653 has 2 divisors, whose sum is σ = 164241654. Its totient is φ = 164241652.

The previous prime is 164241611. The next prime is 164241667. The reversal of 164241653 is 356142461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92025649 + 72216004 = 9593^2 + 8498^2 .

It is a cyclic number.

It is not a de Polignac number, because 164241653 - 2²⁰ = 163193077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164244653) 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, 82120826 + 82120827.

It is an arithmetic number, because the mean of its divisors is an integer number (82120827).

Almost surely, 2^164241653 is an apocalyptic number.

It is an amenable number.

164241653 is a deficient number, since it is larger than the sum of its proper divisors (1).

164241653 is an equidigital number, since it uses as much as digits as its factorization.

164241653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 164241653 is about 12815.6799663537. The cubic root of 164241653 is about 547.6390845050.

The spelling of 164241653 in words is "one hundred sixty-four million, two hundred forty-one thousand, six hundred fifty-three".