16939191368 has 32 divisors (see below), whose sum is σ = 35766040320. Its totient is φ = 7451256000.

The previous prime is 16939191349. The next prime is 16939191419. The reversal of 16939191368 is 86319193961.

16939191368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16939191368² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101963 + ... + 3107418.

It is an arithmetic number, because the mean of its divisors is an integer number (1117688760).

Almost surely, 2^16939191368 is an apocalyptic number.

It is an amenable number.

16939191368 is an abundant number, since it is smaller than the sum of its proper divisors (18826848952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16939191368 is a wasteful number, since it uses less digits than its factorization.

16939191368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209429 (or 6209425 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 56.

The spelling of 16939191368 in words is "sixteen billion, nine hundred thirty-nine million, one hundred ninety-one thousand, three hundred sixty-eight".