16334121 has 8 divisors (see below), whose sum is σ = 22003744. Its totient is φ = 10776960.

The previous prime is 16334083. The next prime is 16334137. The reversal of 16334121 is 12143361.

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

It is not a de Polignac number, because 16334121 - 2⁹ = 16333609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16334191) 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, 27775 + ... + 28356.

It is an arithmetic number, because the mean of its divisors is an integer number (2750468).

Almost surely, 2^16334121 is an apocalyptic number.

It is an amenable number.

16334121 is a deficient number, since it is larger than the sum of its proper divisors (5669623).

16334121 is an equidigital number, since it uses as much as digits as its factorization.

16334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56231.

The product of its digits is 432, while the sum is 21.

The square root of 16334121 is about 4041.5493316301. The cubic root of 16334121 is about 253.7261655078.

Adding to 16334121 its reverse (12143361), we get a palindrome (28477482).

The spelling of 16334121 in words is "sixteen million, three hundred thirty-four thousand, one hundred twenty-one".