164313049 has 2 divisors, whose sum is σ = 164313050. Its totient is φ = 164313048.

The previous prime is 164313047. The next prime is 164313073. The reversal of 164313049 is 940313461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144000000 + 20313049 = 12000^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 164313049 - 2¹ = 164313047 is a prime.

Together with 164313047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164313049.

It is not a weakly prime, because it can be changed into another prime (164313047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82156524 + 82156525.

It is an arithmetic number, because the mean of its divisors is an integer number (82156525).

Almost surely, 2^164313049 is an apocalyptic number.

It is an amenable number.

164313049 is a deficient number, since it is larger than the sum of its proper divisors (1).

164313049 is an equidigital number, since it uses as much as digits as its factorization.

164313049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 164313049 is about 12818.4651577324. The cubic root of 164313049 is about 547.7184260834.

The spelling of 164313049 in words is "one hundred sixty-four million, three hundred thirteen thousand, forty-nine".