16442663450612 has 24 divisors (see below), whose sum is σ = 33774119522304. Its totient is φ = 6856400202912.

The previous prime is 16442663450611. The next prime is 16442663450623. The reversal of 16442663450612 is 21605436624461.

It is a happy number.

It is a super-3 number, since 3×16442663450612³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442663450611) 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, 7935647348 + ... + 7935649419.

It is an arithmetic number, because the mean of its divisors is an integer number (1407254980096).

Almost surely, 2^{16442663450612} is an apocalyptic number.

It is an amenable number.

16442663450612 is an abundant number, since it is smaller than the sum of its proper divisors (17331456071692).

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

16442663450612 is a wasteful number, since it uses less digits than its factorization.

16442663450612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871296815 (or 15871296813 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 16442663450612 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, four hundred fifty thousand, six hundred twelve".