164004111 has 6 divisors (see below), whose sum is σ = 236894840. Its totient is φ = 109336068.

The previous prime is 164004109. The next prime is 164004121. The reversal of 164004111 is 111400461.

It is not a de Polignac number, because 164004111 - 2¹ = 164004109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164004121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9111331 + ... + 9111348.

Almost surely, 2^164004111 is an apocalyptic number.

164004111 is a deficient number, since it is larger than the sum of its proper divisors (72890729).

164004111 is a wasteful number, since it uses less digits than its factorization.

164004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222685 (or 18222682 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 164004111 is about 12806.4089814436. The cubic root of 164004111 is about 547.3749410993.

Adding to 164004111 its reverse (111400461), we get a palindrome (275404572).

The spelling of 164004111 in words is "one hundred sixty-four million, four thousand, one hundred eleven".