16442663756011 has 4 divisors (see below), whose sum is σ = 16442825157000. Its totient is φ = 16442502355024.

The previous prime is 16442663756009. The next prime is 16442663756087. The reversal of 16442663756011 is 11065736624461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16442663756011 - 2¹ = 16442663756009 is a prime.

It is a super-3 number, since 3×16442663756011³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16442663756011.

It is not an unprimeable number, because it can be changed into a prime (16442663756611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80547586 + ... + 80751463.

It is an arithmetic number, because the mean of its divisors is an integer number (4110706289250).

Almost surely, 2^{16442663756011} is an apocalyptic number.

16442663756011 is a deficient number, since it is larger than the sum of its proper divisors (161400989).

16442663756011 is a wasteful number, since it uses less digits than its factorization.

16442663756011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161400988.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 16442663756011 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, seven hundred fifty-six thousand, eleven".