16643671242023 has 8 divisors (see below), whose sum is σ = 19111487088000. Its totient is φ = 14198392527480.

The previous prime is 16643671241999. The next prime is 16643671242053. The reversal of 16643671242023 is 32024217634661.

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

It is not a de Polignac number, because 16643671242023 - 2¹⁴ = 16643671225639 is a prime.

It is a super-2 number, since 2×16643671242023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16643671242053) 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, 5634281273 + ... + 5634284226.

It is an arithmetic number, because the mean of its divisors is an integer number (2388935886000).

Almost surely, 2^{16643671242023} is an apocalyptic number.

16643671242023 is a deficient number, since it is larger than the sum of its proper divisors (2467815845977).

16643671242023 is a wasteful number, since it uses less digits than its factorization.

16643671242023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268565717.

The product of its (nonzero) digits is 1741824, while the sum is 47.

Adding to 16643671242023 its reverse (32024217634661), we get a palindrome (48667888876684).

The spelling of 16643671242023 in words is "sixteen trillion, six hundred forty-three billion, six hundred seventy-one million, two hundred forty-two thousand, twenty-three".