16378196504779 has 8 divisors (see below), whose sum is σ = 16906621230080. Its totient is φ = 15849777767400.

The previous prime is 16378196504777. The next prime is 16378196504819. The reversal of 16378196504779 is 97740569187361.

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

It is a cyclic number.

It is not a de Polignac number, because 16378196504779 - 2¹ = 16378196504777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16378196504777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434832 + ... + 7240450.

It is an arithmetic number, because the mean of its divisors is an integer number (2113327653760).

Almost surely, 2^{16378196504779} is an apocalyptic number.

16378196504779 is a deficient number, since it is larger than the sum of its proper divisors (528424725301).

16378196504779 is a wasteful number, since it uses less digits than its factorization.

16378196504779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993961.

The product of its (nonzero) digits is 480090240, while the sum is 73.

The spelling of 16378196504779 in words is "sixteen trillion, three hundred seventy-eight billion, one hundred ninety-six million, five hundred four thousand, seven hundred seventy-nine".