16919867694 has 8 divisors (see below), whose sum is σ = 33839735400. Its totient is φ = 5639955896.

The previous prime is 16919867689. The next prime is 16919867717. The reversal of 16919867694 is 49676891961.

It is a sphenic number, since it is the product of 3 distinct primes.

16919867694 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409988969 + ... + 1409988980.

It is an arithmetic number, because the mean of its divisors is an integer number (4229966925).

Almost surely, 2^16919867694 is an apocalyptic number.

16919867694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16919867694 is a wasteful number, since it uses less digits than its factorization.

16919867694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819977954.

The product of its digits is 35271936, while the sum is 66.

The spelling of 16919867694 in words is "sixteen billion, nine hundred nineteen million, eight hundred sixty-seven thousand, six hundred ninety-four".