164654227 has 4 divisors (see below), whose sum is σ = 164680096. Its totient is φ = 164628360.

The previous prime is 164654179. The next prime is 164654233. The reversal of 164654227 is 722456461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722456461 = 271 ⋅2665891.

It is a cyclic number.

It is not a de Polignac number, because 164654227 - 2⁷ = 164654099 is a prime.

It is a super-2 number, since 2×164654227² = 54222028937935058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164654297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033 + ... + 18589.

It is an arithmetic number, because the mean of its divisors is an integer number (41170024).

Almost surely, 2^164654227 is an apocalyptic number.

164654227 is a deficient number, since it is larger than the sum of its proper divisors (25869).

164654227 is a wasteful number, since it uses less digits than its factorization.

164654227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25868.

The product of its digits is 80640, while the sum is 37.

The square root of 164654227 is about 12831.7663242439. The cubic root of 164654227 is about 548.0972563900.

The spelling of 164654227 in words is "one hundred sixty-four million, six hundred fifty-four thousand, two hundred twenty-seven".