164652149 has 2 divisors, whose sum is σ = 164652150. Its totient is φ = 164652148.

The previous prime is 164652113. The next prime is 164652161. The reversal of 164652149 is 941256461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148596100 + 16056049 = 12190^2 + 4007^2 .

It is an emirp because it is prime and its reverse (941256461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164652149 - 2²⁴ = 147874933 is a prime.

It is a super-2 number, since 2×164652149² = 54220660340636402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164652199) 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, 82326074 + 82326075.

It is an arithmetic number, because the mean of its divisors is an integer number (82326075).

Almost surely, 2^164652149 is an apocalyptic number.

It is an amenable number.

164652149 is a deficient number, since it is larger than the sum of its proper divisors (1).

164652149 is an equidigital number, since it uses as much as digits as its factorization.

164652149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 164652149 is about 12831.6853530626. The cubic root of 164652149 is about 548.0949506472.

The spelling of 164652149 in words is "one hundred sixty-four million, six hundred fifty-two thousand, one hundred forty-nine".