164217113 has 2 divisors, whose sum is σ = 164217114. Its totient is φ = 164217112.

The previous prime is 164217103. The next prime is 164217187. The reversal of 164217113 is 311712461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163916809 + 300304 = 12803^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 164217113 - 2¹⁰ = 164216089 is a prime.

It is not a weakly prime, because it can be changed into another prime (164217103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82108556 + 82108557.

It is an arithmetic number, because the mean of its divisors is an integer number (82108557).

Almost surely, 2^164217113 is an apocalyptic number.

It is an amenable number.

164217113 is a deficient number, since it is larger than the sum of its proper divisors (1).

164217113 is an equidigital number, since it uses as much as digits as its factorization.

164217113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 164217113 is about 12814.7225096761. The cubic root of 164217113 is about 547.6118081670.

Adding to 164217113 its reverse (311712461), we get a palindrome (475929574).

The spelling of 164217113 in words is "one hundred sixty-four million, two hundred seventeen thousand, one hundred thirteen".