164295239 has 2 divisors, whose sum is σ = 164295240. Its totient is φ = 164295238.

The previous prime is 164295227. The next prime is 164295269. The reversal of 164295239 is 932592461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164295239 - 2¹² = 164291143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164295196 and 164295205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164295269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82147619 + 82147620.

It is an arithmetic number, because the mean of its divisors is an integer number (82147620).

Almost surely, 2^164295239 is an apocalyptic number.

164295239 is a deficient number, since it is larger than the sum of its proper divisors (1).

164295239 is an equidigital number, since it uses as much as digits as its factorization.

164295239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 164295239 is about 12817.7704379506. The cubic root of 164295239 is about 547.6986361809.

The spelling of 164295239 in words is "one hundred sixty-four million, two hundred ninety-five thousand, two hundred thirty-nine".