164196859 has 2 divisors, whose sum is σ = 164196860. Its totient is φ = 164196858.

The previous prime is 164196827. The next prime is 164196871. The reversal of 164196859 is 958691461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164196859 - 2⁵ = 164196827 is a prime.

It is a super-3 number, since 3×164196859³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164196259) 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, 82098429 + 82098430.

It is an arithmetic number, because the mean of its divisors is an integer number (82098430).

Almost surely, 2^164196859 is an apocalyptic number.

164196859 is a deficient number, since it is larger than the sum of its proper divisors (1).

164196859 is an equidigital number, since it uses as much as digits as its factorization.

164196859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 164196859 is about 12813.9322223898. The cubic root of 164196859 is about 547.5892936934.

The spelling of 164196859 in words is "one hundred sixty-four million, one hundred ninety-six thousand, eight hundred fifty-nine".