16344405121 has 8 divisors (see below), whose sum is σ = 17876818944. Its totient is φ = 14819751120.

The previous prime is 16344405097. The next prime is 16344405127. The reversal of 16344405121 is 12150444361.

16344405121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16344405121 - 2²³ = 16336016513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16344405127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935546 + ... + 1943971.

It is an arithmetic number, because the mean of its divisors is an integer number (2234602368).

Almost surely, 2^16344405121 is an apocalyptic number.

16344405121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16344405121 is a deficient number, since it is larger than the sum of its proper divisors (1532413823).

16344405121 is a wasteful number, since it uses less digits than its factorization.

16344405121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879911.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 16344405121 its reverse (12150444361), we get a palindrome (28494849482).

The spelling of 16344405121 in words is "sixteen billion, three hundred forty-four million, four hundred five thousand, one hundred twenty-one".