16759986862109 has 4 divisors (see below), whose sum is σ = 16762180872480. Its totient is φ = 16757792851740.

The previous prime is 16759986862043. The next prime is 16759986862117. The reversal of 16759986862109 is 90126868995761.

16759986862109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16759986862109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16759986862109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16759986862309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096993727 + ... + 1097009004.

It is an arithmetic number, because the mean of its divisors is an integer number (4190545218120).

Almost surely, 2^{16759986862109} is an apocalyptic number.

It is an amenable number.

16759986862109 is a deficient number, since it is larger than the sum of its proper divisors (2194010371).

16759986862109 is an equidigital number, since it uses as much as digits as its factorization.

16759986862109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194010370.

The product of its (nonzero) digits is 705438720, while the sum is 77.

The spelling of 16759986862109 in words is "sixteen trillion, seven hundred fifty-nine billion, nine hundred eighty-six million, eight hundred sixty-two thousand, one hundred nine".