16798040866 has 16 divisors (see below), whose sum is σ = 27378812160. Its totient is φ = 7700289840.

The previous prime is 16798040849. The next prime is 16798040899. The reversal of 16798040866 is 66804089761.

It is a happy 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, 7128721 + ... + 7131076.

It is an arithmetic number, because the mean of its divisors is an integer number (1711175760).

Almost surely, 2^16798040866 is an apocalyptic number.

16798040866 is a deficient number, since it is larger than the sum of its proper divisors (10580771294).

16798040866 is a wasteful number, since it uses less digits than its factorization.

16798040866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14259849.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 16798040866 in words is "sixteen billion, seven hundred ninety-eight million, forty thousand, eight hundred sixty-six".