164141621027 has 2 divisors, whose sum is σ = 164141621028. Its totient is φ = 164141621026.

The previous prime is 164141621009. The next prime is 164141621029. The reversal of 164141621027 is 720126141461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164141621027 - 2¹⁰ = 164141620003 is a prime.

Together with 164141621029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164141621029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82070810513 + 82070810514.

It is an arithmetic number, because the mean of its divisors is an integer number (82070810514).

Almost surely, 2^164141621027 is an apocalyptic number.

164141621027 is a deficient number, since it is larger than the sum of its proper divisors (1).

164141621027 is an equidigital number, since it uses as much as digits as its factorization.

164141621027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 164141621027 its reverse (720126141461), we get a palindrome (884267762488).

The spelling of 164141621027 in words is "one hundred sixty-four billion, one hundred forty-one million, six hundred twenty-one thousand, twenty-seven".