16780944041 has 4 divisors (see below), whose sum is σ = 16781558784. Its totient is φ = 16780329300.

The previous prime is 16780944013. The next prime is 16780944097. The reversal of 16780944041 is 14044908761.

It is a happy number.

16780944041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16780944041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16780943983 and 16780944001.

It is not an unprimeable number, because it can be changed into a prime (16780944541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264425 + ... + 321686.

It is an arithmetic number, because the mean of its divisors is an integer number (4195389696).

Almost surely, 2^16780944041 is an apocalyptic number.

It is an amenable number.

16780944041 is a deficient number, since it is larger than the sum of its proper divisors (614743).

16780944041 is an equidigital number, since it uses as much as digits as its factorization.

16780944041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614742.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 16780944041 in words is "sixteen billion, seven hundred eighty million, nine hundred forty-four thousand, forty-one".