164155259 has 4 divisors (see below), whose sum is σ = 164426304. Its totient is φ = 163884216.

The previous prime is 164155253. The next prime is 164155297. The reversal of 164155259 is 952551461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952551461 = 13841 ⋅68821.

It is a cyclic number.

It is not a de Polignac number, because 164155259 - 2²⁰ = 163106683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164155253) 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 in 3 ways as a sum of consecutive naturals, for example, 134612 + ... + 135825.

It is an arithmetic number, because the mean of its divisors is an integer number (41106576).

Almost surely, 2^164155259 is an apocalyptic number.

164155259 is a deficient number, since it is larger than the sum of its proper divisors (271045).

164155259 is an equidigital number, since it uses as much as digits as its factorization.

164155259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271044.

The product of its digits is 54000, while the sum is 38.

The square root of 164155259 is about 12812.3088863795. The cubic root of 164155259 is about 547.5430450647.

The spelling of 164155259 in words is "one hundred sixty-four million, one hundred fifty-five thousand, two hundred fifty-nine".