164343111 has 4 divisors (see below), whose sum is σ = 219124152. Its totient is φ = 109562072.

The previous prime is 164343083. The next prime is 164343133. The reversal of 164343111 is 111343461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164343111 - 2¹⁴ = 164326727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164343181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27390516 + ... + 27390521.

It is an arithmetic number, because the mean of its divisors is an integer number (54781038).

Almost surely, 2^164343111 is an apocalyptic number.

164343111 is a deficient number, since it is larger than the sum of its proper divisors (54781041).

164343111 is an equidigital number, since it uses as much as digits as its factorization.

164343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54781040.

The product of its digits is 864, while the sum is 24.

The square root of 164343111 is about 12819.6377093895. The cubic root of 164343111 is about 547.7518267727.

Adding to 164343111 its reverse (111343461), we get a palindrome (275686572).

The spelling of 164343111 in words is "one hundred sixty-four million, three hundred forty-three thousand, one hundred eleven".