164800843 has 2 divisors, whose sum is σ = 164800844. Its totient is φ = 164800842.

The previous prime is 164800841. The next prime is 164800879. The reversal of 164800843 is 348008461.

164800843 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 is a cyclic number.

It is not a de Polignac number, because 164800843 - 2¹ = 164800841 is a prime.

Together with 164800841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 164800799 and 164800808.

It is not a weakly prime, because it can be changed into another prime (164800841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82400421 + 82400422.

It is an arithmetic number, because the mean of its divisors is an integer number (82400422).

Almost surely, 2^164800843 is an apocalyptic number.

164800843 is a deficient number, since it is larger than the sum of its proper divisors (1).

164800843 is an equidigital number, since it uses as much as digits as its factorization.

164800843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 164800843 is about 12837.4780622987. The cubic root of 164800843 is about 548.2598921318.

The spelling of 164800843 in words is "one hundred sixty-four million, eight hundred thousand, eight hundred forty-three".