16442663474364 has 96 divisors (see below), whose sum is σ = 42770292364800. Its totient is φ = 4885933731840.

The previous prime is 16442663474327. The next prime is 16442663474411. The reversal of 16442663474364 is 46347436624461.

It is a super-3 number, since 3×16442663474364³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16442663474298 and 16442663474307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17682484 + ... + 18589124.

It is an arithmetic number, because the mean of its divisors is an integer number (445523878800).

Almost surely, 2^{16442663474364} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16442663474364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21385146182400).

16442663474364 is an abundant number, since it is smaller than the sum of its proper divisors (26327628890436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16442663474364 is a wasteful number, since it uses less digits than its factorization.

16442663474364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911363 (or 911361 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 60.

The spelling of 16442663474364 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, four hundred seventy-four thousand, three hundred sixty-four".