16411121 has 8 divisors (see below), whose sum is σ = 17677824. Its totient is φ = 15190560.

The previous prime is 16411099. The next prime is 16411123. The reversal of 16411121 is 12111461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16411121 - 2²² = 12216817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16411121.

It is not an unprimeable number, because it can be changed into a prime (16411123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (2209728).

Almost surely, 2^16411121 is an apocalyptic number.

It is an amenable number.

16411121 is a deficient number, since it is larger than the sum of its proper divisors (1266703).

16411121 is a wasteful number, since it uses less digits than its factorization.

16411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23071.

The product of its digits is 48, while the sum is 17.

The square root of 16411121 is about 4051.0641811751. The cubic root of 16411121 is about 254.1242339746.

Adding to 16411121 its reverse (12111461), we get a palindrome (28522582).

The spelling of 16411121 in words is "sixteen million, four hundred eleven thousand, one hundred twenty-one".