164144797 has 2 divisors, whose sum is σ = 164144798. Its totient is φ = 164144796.

The previous prime is 164144789. The next prime is 164144837. The reversal of 164144797 is 797441461.

164144797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162333081 + 1811716 = 12741^2 + 1346^2 .

It is an emirp because it is prime and its reverse (797441461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164144797 - 2³ = 164144789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164144777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82072398 + 82072399.

It is an arithmetic number, because the mean of its divisors is an integer number (82072399).

Almost surely, 2^164144797 is an apocalyptic number.

It is an amenable number.

164144797 is a deficient number, since it is larger than the sum of its proper divisors (1).

164144797 is an equidigital number, since it uses as much as digits as its factorization.

164144797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 164144797 is about 12811.9006006135. The cubic root of 164144797 is about 547.5314127498.

The spelling of 164144797 in words is "one hundred sixty-four million, one hundred forty-four thousand, seven hundred ninety-seven".