16442020002535 has 8 divisors (see below), whose sum is σ = 19730945550816. Its totient is φ = 13153268303520.

The previous prime is 16442020002533. The next prime is 16442020002581. The reversal of 16442020002535 is 53520002024461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16442020002535 - 2¹ = 16442020002533 is a prime.

It is a super-3 number, since 3×16442020002535³ (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 16442020002535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442020002533) 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, 43254156 + ... + 43632625.

It is an arithmetic number, because the mean of its divisors is an integer number (2466368193852).

Almost surely, 2^{16442020002535} is an apocalyptic number.

16442020002535 is a deficient number, since it is larger than the sum of its proper divisors (3288925548281).

16442020002535 is an equidigital number, since it uses as much as digits as its factorization.

16442020002535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86924633.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 16442020002535 its reverse (53520002024461), we get a palindrome (69962022026996).

The spelling of 16442020002535 in words is "sixteen trillion, four hundred forty-two billion, twenty million, two thousand, five hundred thirty-five".