164962904849 has 2 divisors, whose sum is σ = 164962904850. Its totient is φ = 164962904848.

The previous prime is 164962904779. The next prime is 164962904851. The reversal of 164962904849 is 948409269461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164789719249 + 173185600 = 405943^2 + 13160^2 .

It is an emirp because it is prime and its reverse (948409269461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164962904849 - 2⁸ = 164962904593 is a prime.

Together with 164962904851, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164962904791 and 164962904800.

It is not a weakly prime, because it can be changed into another prime (164962904149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82481452424 + 82481452425.

It is an arithmetic number, because the mean of its divisors is an integer number (82481452425).

Almost surely, 2^164962904849 is an apocalyptic number.

It is an amenable number.

164962904849 is a deficient number, since it is larger than the sum of its proper divisors (1).

164962904849 is an equidigital number, since it uses as much as digits as its factorization.

164962904849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 164962904849 in words is "one hundred sixty-four billion, nine hundred sixty-two million, nine hundred four thousand, eight hundred forty-nine".