164860879 has 2 divisors, whose sum is σ = 164860880. Its totient is φ = 164860878.

The previous prime is 164860867. The next prime is 164860889. The reversal of 164860879 is 978068461.

It is a strong prime.

It is an emirp because it is prime and its reverse (978068461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164860879 - 2⁵ = 164860847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164860889) 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, 82430439 + 82430440.

It is an arithmetic number, because the mean of its divisors is an integer number (82430440).

Almost surely, 2^164860879 is an apocalyptic number.

164860879 is a deficient number, since it is larger than the sum of its proper divisors (1).

164860879 is an equidigital number, since it uses as much as digits as its factorization.

164860879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 164860879 is about 12839.8161591200. The cubic root of 164860879 is about 548.3264600250.

The spelling of 164860879 in words is "one hundred sixty-four million, eight hundred sixty thousand, eight hundred seventy-nine".