16432647117121 has 8 divisors (see below), whose sum is σ = 17297627044320. Its totient is φ = 15567677566272.

The previous prime is 16432647117113. The next prime is 16432647117137. The reversal of 16432647117121 is 12171174623461.

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 16432647117121 - 2³ = 16432647117113 is a prime.

It is a super-2 number, since 2×16432647117121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432647817121) 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, 768366 + ... + 5784088.

It is an arithmetic number, because the mean of its divisors is an integer number (2162203380540).

Almost surely, 2^{16432647117121} is an apocalyptic number.

It is an amenable number.

16432647117121 is a deficient number, since it is larger than the sum of its proper divisors (864979927199).

16432647117121 is a wasteful number, since it uses less digits than its factorization.

16432647117121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188175.

The product of its digits is 338688, while the sum is 46.

The spelling of 16432647117121 in words is "sixteen trillion, four hundred thirty-two billion, six hundred forty-seven million, one hundred seventeen thousand, one hundred twenty-one".