164266129 has 2 divisors, whose sum is σ = 164266130. Its totient is φ = 164266128.

The previous prime is 164266103. The next prime is 164266139. The reversal of 164266129 is 921662461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144552529 + 19713600 = 12023^2 + 4440^2 .

It is a cyclic number.

It is not a de Polignac number, because 164266129 - 2¹⁵ = 164233361 is a prime.

It is a super-2 number, since 2×164266129² = 53966722273289282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164266139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82133064 + 82133065.

It is an arithmetic number, because the mean of its divisors is an integer number (82133065).

Almost surely, 2^164266129 is an apocalyptic number.

It is an amenable number.

164266129 is a deficient number, since it is larger than the sum of its proper divisors (1).

164266129 is an equidigital number, since it uses as much as digits as its factorization.

164266129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 164266129 is about 12816.6348547503. The cubic root of 164266129 is about 547.6662870004. Note that the first 3 decimals are identical.

The spelling of 164266129 in words is "one hundred sixty-four million, two hundred sixty-six thousand, one hundred twenty-nine".