16355445042047 has 4 divisors (see below), whose sum is σ = 16355453616600. Its totient is φ = 16355436467496.

The previous prime is 16355445041981. The next prime is 16355445042133. The reversal of 16355445042047 is 74024054455361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16355445042047 - 2¹² = 16355445037951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16355445041986 and 16355445042004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355445042947) 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, 8948 + ... + 5719350.

It is an arithmetic number, because the mean of its divisors is an integer number (4088863404150).

Almost surely, 2^{16355445042047} is an apocalyptic number.

16355445042047 is a deficient number, since it is larger than the sum of its proper divisors (8574553).

16355445042047 is an equidigital number, since it uses as much as digits as its factorization.

16355445042047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574552.

The product of its (nonzero) digits is 8064000, while the sum is 50.

The spelling of 16355445042047 in words is "sixteen trillion, three hundred fifty-five billion, four hundred forty-five million, forty-two thousand, forty-seven".