164432011 has 2 divisors, whose sum is σ = 164432012. Its totient is φ = 164432010.

The previous prime is 164431999. The next prime is 164432069. The reversal of 164432011 is 110234461.

It is a weak prime.

It is an emirp because it is prime and its reverse (110234461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164432011 - 2⁵ = 164431979 is a prime.

It is a super-3 number, since 3×164432011³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164438011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82216005 + 82216006.

It is an arithmetic number, because the mean of its divisors is an integer number (82216006).

Almost surely, 2^164432011 is an apocalyptic number.

164432011 is a deficient number, since it is larger than the sum of its proper divisors (1).

164432011 is an equidigital number, since it uses as much as digits as its factorization.

164432011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 164432011 is about 12823.1045772855. The cubic root of 164432011 is about 547.8505761905.

Adding to 164432011 its reverse (110234461), we get a palindrome (274666472).

The spelling of 164432011 in words is "one hundred sixty-four million, four hundred thirty-two thousand, eleven".