164312011 has 2 divisors, whose sum is σ = 164312012. Its totient is φ = 164312010.

The previous prime is 164312003. The next prime is 164312063. The reversal of 164312011 is 110213461.

It is a weak prime.

It is an emirp because it is prime and its reverse (110213461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164312011 - 2³ = 164312003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164312011.

It is not a weakly prime, because it can be changed into another prime (164312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82156005 + 82156006.

It is an arithmetic number, because the mean of its divisors is an integer number (82156006).

Almost surely, 2^164312011 is an apocalyptic number.

164312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

164312011 is an equidigital number, since it uses as much as digits as its factorization.

164312011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 164312011 is about 12818.4246692018. The cubic root of 164312011 is about 547.7172727302.

Adding to 164312011 its reverse (110213461), we get a palindrome (274525472).

The spelling of 164312011 in words is "one hundred sixty-four million, three hundred twelve thousand, eleven".