16705554859 has 12 divisors (see below), whose sum is σ = 19621668144. Its totient is φ = 14180022864.

The previous prime is 16705554829. The next prime is 16705554869. The reversal of 16705554859 is 95845550761.

It is not a de Polignac number, because 16705554859 - 2²⁵ = 16672000427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16705554829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1649952 + ... + 1660045.

It is an arithmetic number, because the mean of its divisors is an integer number (1635139012).

Almost surely, 2^16705554859 is an apocalyptic number.

16705554859 is a deficient number, since it is larger than the sum of its proper divisors (2916113285).

16705554859 is a wasteful number, since it uses less digits than its factorization.

16705554859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310114 (or 3310107 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 55.

The spelling of 16705554859 in words is "sixteen billion, seven hundred five million, five hundred fifty-four thousand, eight hundred fifty-nine".