16442020303673 has 12 divisors (see below), whose sum is σ = 17529243978960. Its totient is φ = 15379477907976.

The previous prime is 16442020303613. The next prime is 16442020303693. The reversal of 16442020303673 is 37630302024461.

It is not a de Polignac number, because 16442020303673 - 2¹⁰ = 16442020302649 is a prime.

It is a super-3 number, since 3×16442020303673³ (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 16442020303673.

It is not an unprimeable number, because it can be changed into a prime (16442020303613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69210815 + ... + 69447972.

It is an arithmetic number, because the mean of its divisors is an integer number (1460770331580).

Almost surely, 2^{16442020303673} is an apocalyptic number.

It is an amenable number.

16442020303673 is a deficient number, since it is larger than the sum of its proper divisors (1087223675287).

16442020303673 is an equidigital number, since it uses as much as digits as its factorization.

16442020303673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138658964 (or 138658885 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 16442020303673 in words is "sixteen trillion, four hundred forty-two billion, twenty million, three hundred three thousand, six hundred seventy-three".