16442663754042 has 32 divisors (see below), whose sum is σ = 36671163480000. Its totient is φ = 5461101314064.

The previous prime is 16442663754007. The next prime is 16442663754059. The reversal of 16442663754042 is 24045736624461.

16442663754042 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 2 + 66 + 37 + 540 + 4 + 2 = 666.

It is a super-3 number, since 3×16442663754042³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16442663754042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549612792 + ... + 549642707.

It is an arithmetic number, because the mean of its divisors is an integer number (1145973858750).

Almost surely, 2^{16442663754042} is an apocalyptic number.

16442663754042 is an abundant number, since it is smaller than the sum of its proper divisors (20228499725958).

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

16442663754042 is a wasteful number, since it uses less digits than its factorization.

16442663754042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099255787 (or 1099255781 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 54.

The spelling of 16442663754042 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, seven hundred fifty-four thousand, forty-two".