16442735734452 has 12 divisors (see below), whose sum is σ = 38366383380416. Its totient is φ = 5480911911480.

The previous prime is 16442735734429. The next prime is 16442735734459. The reversal of 16442735734452 is 25443753724461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×16442735734452³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442735734392 and 16442735734401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442735734459) 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, 685113988924 + ... + 685113988947.

Almost surely, 2^{16442735734452} is an apocalyptic number.

16442735734452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16442735734452 is an abundant number, since it is smaller than the sum of its proper divisors (21923647645964).

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

16442735734452 is a wasteful number, since it uses less digits than its factorization.

16442735734452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370227977878 (or 1370227977876 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 57.

The spelling of 16442735734452 in words is "sixteen trillion, four hundred forty-two billion, seven hundred thirty-five million, seven hundred thirty-four thousand, four hundred fifty-two".