16378180305 has 16 divisors (see below), whose sum is σ = 26210500224. Its totient is φ = 8733225600.

The previous prime is 16378180303. The next prime is 16378180309. The reversal of 16378180305 is 50308187361.

16378180305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16378180305 - 2¹ = 16378180303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16378180303) 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 15 ways as a sum of consecutive naturals, for example, 36004 + ... + 184533.

It is an arithmetic number, because the mean of its divisors is an integer number (1638156264).

Almost surely, 2^16378180305 is an apocalyptic number.

16378180305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16378180305 is a deficient number, since it is larger than the sum of its proper divisors (9832319919).

16378180305 is a wasteful number, since it uses less digits than its factorization.

16378180305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225496.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 16378180305 in words is "sixteen billion, three hundred seventy-eight million, one hundred eighty thousand, three hundred five".