164065027 has 4 divisors (see below), whose sum is σ = 187502896. Its totient is φ = 140627160.

The previous prime is 164065009. The next prime is 164065061. The reversal of 164065027 is 720560461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720560461 = 599 ⋅1202939.

It is a cyclic number.

It is not a de Polignac number, because 164065027 - 2²³ = 155676419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164065027.

It is not an unprimeable number, because it can be changed into a prime (164065087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11718924 + ... + 11718937.

It is an arithmetic number, because the mean of its divisors is an integer number (46875724).

Almost surely, 2^164065027 is an apocalyptic number.

164065027 is a deficient number, since it is larger than the sum of its proper divisors (23437869).

164065027 is an equidigital number, since it uses as much as digits as its factorization.

164065027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23437868.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 164065027 is about 12808.7871010490. The cubic root of 164065027 is about 547.4427031496.

The spelling of 164065027 in words is "one hundred sixty-four million, sixty-five thousand, twenty-seven".