164041121 has 4 divisors (see below), whose sum is σ = 164132544. Its totient is φ = 163949700.

The previous prime is 164041093. The next prime is 164041133. The reversal of 164041121 is 121140461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164041121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164041093 and 164041102.

It is not an unprimeable number, because it can be changed into a prime (164041321) 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, 42965 + ... + 46626.

It is an arithmetic number, because the mean of its divisors is an integer number (41033136).

Almost surely, 2^164041121 is an apocalyptic number.

It is an amenable number.

164041121 is a deficient number, since it is larger than the sum of its proper divisors (91423).

164041121 is an equidigital number, since it uses as much as digits as its factorization.

164041121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91422.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 164041121 is about 12807.8538795537. The cubic root of 164041121 is about 547.4161124715.

Adding to 164041121 its reverse (121140461), we get a palindrome (285181582).

The spelling of 164041121 in words is "one hundred sixty-four million, forty-one thousand, one hundred twenty-one".