164719129 has 2 divisors, whose sum is σ = 164719130. Its totient is φ = 164719128.

The previous prime is 164719097. The next prime is 164719147. The reversal of 164719129 is 921917461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 20070400 = 12027^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 164719129 - 2⁵ = 164719097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164719091 and 164719100.

It is not a weakly prime, because it can be changed into another prime (164719199) 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 as a sum of consecutive naturals, namely, 82359564 + 82359565.

It is an arithmetic number, because the mean of its divisors is an integer number (82359565).

Almost surely, 2^164719129 is an apocalyptic number.

It is an amenable number.

164719129 is a deficient number, since it is larger than the sum of its proper divisors (1).

164719129 is an equidigital number, since it uses as much as digits as its factorization.

164719129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The square root of 164719129 is about 12834.2950332303. The cubic root of 164719129 is about 548.1692616985.

It can be divided in two parts, 16471 and 9129, that added together give a square (25600 = 160²).

The spelling of 164719129 in words is "one hundred sixty-four million, seven hundred nineteen thousand, one hundred twenty-nine".