164343013 has 2 divisors, whose sum is σ = 164343014. Its totient is φ = 164343012.

The previous prime is 164343001. The next prime is 164343041. The reversal of 164343013 is 310343461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129095044 + 35247969 = 11362^2 + 5937^2 .

It is a cyclic number.

It is not a de Polignac number, because 164343013 - 2¹⁷ = 164211941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164343043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82171506 + 82171507.

It is an arithmetic number, because the mean of its divisors is an integer number (82171507).

Almost surely, 2^164343013 is an apocalyptic number.

It is an amenable number.

164343013 is a deficient number, since it is larger than the sum of its proper divisors (1).

164343013 is an equidigital number, since it uses as much as digits as its factorization.

164343013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 164343013 is about 12819.6338871280. The cubic root of 164343013 is about 547.7517178954.

Adding to 164343013 its reverse (310343461), we get a palindrome (474686474).

The spelling of 164343013 in words is "one hundred sixty-four million, three hundred forty-three thousand, thirteen".