164214619 has 4 divisors (see below), whose sum is σ = 164283496. Its totient is φ = 164145744.

The previous prime is 164214613. The next prime is 164214643. The reversal of 164214619 is 916412461.

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: 916412461 = 191 ⋅4797971.

It is a cyclic number.

It is not a de Polignac number, because 164214619 - 2⁹ = 164214107 is a prime.

It is a super-2 number, since 2×164214619² = 53932882186630322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164214613) 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, 30729 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (41070874).

Almost surely, 2^164214619 is an apocalyptic number.

164214619 is a deficient number, since it is larger than the sum of its proper divisors (68877).

164214619 is an equidigital number, since it uses as much as digits as its factorization.

164214619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68876.

The product of its digits is 10368, while the sum is 34.

The square root of 164214619 is about 12814.6251993572. The cubic root of 164214619 is about 547.6090359209.

It can be divided in two parts, 1642 and 14619, that added together give a palindrome (16261).

The spelling of 164214619 in words is "one hundred sixty-four million, two hundred fourteen thousand, six hundred nineteen".