164706043 has 2 divisors, whose sum is σ = 164706044. Its totient is φ = 164706042.

The previous prime is 164706029. The next prime is 164706089. The reversal of 164706043 is 340607461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164706043 - 2²¹ = 162608891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164705996 and 164706014.

It is not a weakly prime, because it can be changed into another prime (164706023) 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, 82353021 + 82353022.

It is an arithmetic number, because the mean of its divisors is an integer number (82353022).

Almost surely, 2^164706043 is an apocalyptic number.

164706043 is a deficient number, since it is larger than the sum of its proper divisors (1).

164706043 is an equidigital number, since it uses as much as digits as its factorization.

164706043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 164706043 is about 12833.7852171524. The cubic root of 164706043 is about 548.1547450018.

The spelling of 164706043 in words is "one hundred sixty-four million, seven hundred six thousand, forty-three".