16378598601 has 20 divisors (see below), whose sum is σ = 24540753424. Its totient is φ = 10886059800.

The previous prime is 16378598573. The next prime is 16378598603. The reversal of 16378598601 is 10689587361.

16378598601 is a `hidden beast` number, since 16 + 37 + 8 + 598 + 6 + 0 + 1 = 666.

16378598601 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 16378598601 - 2¹⁷ = 16378467529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16378598603) 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 19 ways as a sum of consecutive naturals, for example, 278635 + ... + 332256.

Almost surely, 2^16378598601 is an apocalyptic number.

It is an amenable number.

16378598601 is a deficient number, since it is larger than the sum of its proper divisors (8162154823).

16378598601 is an equidigital number, since it uses as much as digits as its factorization.

16378598601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611234 (or 611225 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 16378598601 in words is "sixteen billion, three hundred seventy-eight million, five hundred ninety-eight thousand, six hundred one".