16391941318898 has 16 divisors (see below), whose sum is σ = 24630410694240. Its totient is φ = 8181816050496.

The previous prime is 16391941318853. The next prime is 16391941318903. The reversal of 16391941318898 is 89881314919361.

It is a super-3 number, since 3×16391941318898³ (a number of 41 digits) contains 333 as substring.

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, 86036 + ... + 5726367.

It is an arithmetic number, because the mean of its divisors is an integer number (1539400668390).

Almost surely, 2^{16391941318898} is an apocalyptic number.

16391941318898 is a deficient number, since it is larger than the sum of its proper divisors (8238469375342).

16391941318898 is a wasteful number, since it uses less digits than its factorization.

16391941318898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814841.

The product of its digits is 80621568, while the sum is 71.

The spelling of 16391941318898 in words is "sixteen trillion, three hundred ninety-one billion, nine hundred forty-one million, three hundred eighteen thousand, eight hundred ninety-eight".