16652928123281 has 8 divisors (see below), whose sum is σ = 16700257504224. Its totient is φ = 16605599612800.

The previous prime is 16652928123269. The next prime is 16652928123323. The reversal of 16652928123281 is 18232182925661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16652928123281 is a prime.

It is a super-2 number, since 2×16652928123281² (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 (16652928120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73037306 + ... + 73264956.

It is an arithmetic number, because the mean of its divisors is an integer number (2087532188028).

Almost surely, 2^{16652928123281} is an apocalyptic number.

It is an amenable number.

16652928123281 is a deficient number, since it is larger than the sum of its proper divisors (47329380943).

16652928123281 is a wasteful number, since it uses less digits than its factorization.

16652928123281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435231.

The product of its digits is 4976640, while the sum is 56.

The spelling of 16652928123281 in words is "sixteen trillion, six hundred fifty-two billion, nine hundred twenty-eight million, one hundred twenty-three thousand, two hundred eighty-one".