16005436601 has 8 divisors (see below), whose sum is σ = 19954830144. Its totient is φ = 12471768720.

The previous prime is 16005436591. The next prime is 16005436609. The reversal of 16005436601 is 10663450061.

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 16005436601 - 2¹⁰ = 16005435577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16005436609) 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, 103931330 + ... + 103931483.

It is an arithmetic number, because the mean of its divisors is an integer number (2494353768).

Almost surely, 2^16005436601 is an apocalyptic number.

16005436601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16005436601 is a deficient number, since it is larger than the sum of its proper divisors (3949393543).

16005436601 is a wasteful number, since it uses less digits than its factorization.

16005436601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207862831.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 16005436601 its reverse (10663450061), we get a palindrome (26668886662).

The spelling of 16005436601 in words is "sixteen billion, five million, four hundred thirty-six thousand, six hundred one".