164649113 has 2 divisors, whose sum is σ = 164649114. Its totient is φ = 164649112.

The previous prime is 164649109. The next prime is 164649119. The reversal of 164649113 is 311946461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162001984 + 2647129 = 12728^2 + 1627^2 .

It is an emirp because it is prime and its reverse (311946461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164649113 - 2² = 164649109 is a prime.

It is not a weakly prime, because it can be changed into another prime (164649119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82324556 + 82324557.

It is an arithmetic number, because the mean of its divisors is an integer number (82324557).

Almost surely, 2^164649113 is an apocalyptic number.

It is an amenable number.

164649113 is a deficient number, since it is larger than the sum of its proper divisors (1).

164649113 is an equidigital number, since it uses as much as digits as its factorization.

164649113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 164649113 is about 12831.5670516114. The cubic root of 164649113 is about 548.0915818755.

The spelling of 164649113 in words is "one hundred sixty-four million, six hundred forty-nine thousand, one hundred thirteen".