164449249 has 2 divisors, whose sum is σ = 164449250. Its totient is φ = 164449248.

The previous prime is 164449231. The next prime is 164449267. The reversal of 164449249 is 942944461.

It is a balanced prime because it is at equal distance from previous prime (164449231) and next prime (164449267).

It can be written as a sum of positive squares in only one way, i.e., 139996224 + 24453025 = 11832^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 164449249 - 2¹⁷ = 164318177 is a prime.

It is not a weakly prime, because it can be changed into another prime (164849249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82224624 + 82224625.

It is an arithmetic number, because the mean of its divisors is an integer number (82224625).

Almost surely, 2^164449249 is an apocalyptic number.

It is an amenable number.

164449249 is a deficient number, since it is larger than the sum of its proper divisors (1).

164449249 is an equidigital number, since it uses as much as digits as its factorization.

164449249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 164449249 is about 12823.7767057915. The cubic root of 164449249 is about 547.8697199047.

The spelling of 164449249 in words is "one hundred sixty-four million, four hundred forty-nine thousand, two hundred forty-nine".