164908207049 has 2 divisors, whose sum is σ = 164908207050. Its totient is φ = 164908207048.

The previous prime is 164908207021. The next prime is 164908207103. The reversal of 164908207049 is 940702809461.

164908207049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139337958400 + 25570248649 = 373280^2 + 159907^2 .

It is an emirp because it is prime and its reverse (940702809461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164908207049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164908206988 and 164908207006.

It is not a weakly prime, because it can be changed into another prime (164908237049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82454103524 + 82454103525.

It is an arithmetic number, because the mean of its divisors is an integer number (82454103525).

Almost surely, 2^164908207049 is an apocalyptic number.

It is an amenable number.

164908207049 is a deficient number, since it is larger than the sum of its proper divisors (1).

164908207049 is an equidigital number, since it uses as much as digits as its factorization.

164908207049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 164908207049 in words is "one hundred sixty-four billion, nine hundred eight million, two hundred seven thousand, forty-nine".