16361681459 has 16 divisors (see below), whose sum is σ = 16876786176. Its totient is φ = 15850598400.

The previous prime is 16361681437. The next prime is 16361681473. The reversal of 16361681459 is 95418616361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16361681459 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361681759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11122094 + ... + 11123564.

It is an arithmetic number, because the mean of its divisors is an integer number (1054799136).

Almost surely, 2^16361681459 is an apocalyptic number.

16361681459 is a deficient number, since it is larger than the sum of its proper divisors (515104717).

16361681459 is a wasteful number, since it uses less digits than its factorization.

16361681459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606.

The product of its digits is 933120, while the sum is 50.

The spelling of 16361681459 in words is "sixteen billion, three hundred sixty-one million, six hundred eighty-one thousand, four hundred fifty-nine".