164386111 has 2 divisors, whose sum is σ = 164386112. Its totient is φ = 164386110.

The previous prime is 164386093. The next prime is 164386127. The reversal of 164386111 is 111683461.

It is a strong prime.

It is an emirp because it is prime and its reverse (111683461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164386111 - 2⁷ = 164385983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164386171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82193055 + 82193056.

It is an arithmetic number, because the mean of its divisors is an integer number (82193056).

Almost surely, 2^164386111 is an apocalyptic number.

164386111 is a deficient number, since it is larger than the sum of its proper divisors (1).

164386111 is an equidigital number, since it uses as much as digits as its factorization.

164386111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 164386111 is about 12821.3147141781. The cubic root of 164386111 is about 547.7995952786.

The spelling of 164386111 in words is "one hundred sixty-four million, three hundred eighty-six thousand, one hundred eleven".