164284669 has 2 divisors, whose sum is σ = 164284670. Its totient is φ = 164284668.

The previous prime is 164284661. The next prime is 164284709. The reversal of 164284669 is 966482461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163584100 + 700569 = 12790^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 164284669 - 2³ = 164284661 is a prime.

It is a super-2 number, since 2×164284669² = 53978904936879122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164284661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82142334 + 82142335.

It is an arithmetic number, because the mean of its divisors is an integer number (82142335).

Almost surely, 2^164284669 is an apocalyptic number.

It is an amenable number.

164284669 is a deficient number, since it is larger than the sum of its proper divisors (1).

164284669 is an equidigital number, since it uses as much as digits as its factorization.

164284669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 164284669 is about 12817.3581131214. The cubic root of 164284669 is about 547.6868904587.

The spelling of 164284669 in words is "one hundred sixty-four million, two hundred eighty-four thousand, six hundred sixty-nine".