18859293057916 has 24 divisors (see below), whose sum is σ = 33564829177376. Its totient is φ = 9270629452800.

The previous prime is 18859293057887. The next prime is 18859293057931. The reversal of 18859293057916 is 61975039295881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160889841 + ... + 161007016.

Almost surely, 2^{18859293057916} is an apocalyptic number.

It is an amenable number.

18859293057916 is a deficient number, since it is larger than the sum of its proper divisors (14705536119460).

18859293057916 is a wasteful number, since it uses less digits than its factorization.

18859293057916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321897109 (or 321897107 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 73.

The spelling of 18859293057916 in words is "eighteen trillion, eight hundred fifty-nine billion, two hundred ninety-three million, fifty-seven thousand, nine hundred sixteen".