164314949 has 2 divisors, whose sum is σ = 164314950. Its totient is φ = 164314948.

The previous prime is 164314937. The next prime is 164314991. The reversal of 164314949 is 949413461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94926049 + 69388900 = 9743^2 + 8330^2 .

It is a cyclic number.

It is not a de Polignac number, because 164314949 - 2¹⁶ = 164249413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164314919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82157474 + 82157475.

It is an arithmetic number, because the mean of its divisors is an integer number (82157475).

Almost surely, 2^164314949 is an apocalyptic number.

It is an amenable number.

164314949 is a deficient number, since it is larger than the sum of its proper divisors (1).

164314949 is an equidigital number, since it uses as much as digits as its factorization.

164314949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 164314949 is about 12818.5392693551. The cubic root of 164314949 is about 547.7205372182.

The spelling of 164314949 in words is "one hundred sixty-four million, three hundred fourteen thousand, nine hundred forty-nine".