16808523394 has 16 divisors (see below), whose sum is σ = 28581295680. Its totient is φ = 7349475600.

The previous prime is 16808523383. The next prime is 16808523419. The reversal of 16808523394 is 49332580861.

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, 17012182 + ... + 17013169.

It is an arithmetic number, because the mean of its divisors is an integer number (1786330980).

Almost surely, 2^16808523394 is an apocalyptic number.

16808523394 is a deficient number, since it is larger than the sum of its proper divisors (11772772286).

16808523394 is a wasteful number, since it uses less digits than its factorization.

16808523394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34025385.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 16808523394 in words is "sixteen billion, eight hundred eight million, five hundred twenty-three thousand, three hundred ninety-four".