16194425866 has 8 divisors (see below), whose sum is σ = 24292918080. Its totient is φ = 8096786508.

The previous prime is 16194425831. The next prime is 16194425881. The reversal of 16194425866 is 66852449161.

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

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, 163416 + ... + 243091.

It is an arithmetic number, because the mean of its divisors is an integer number (3036614760).

Almost surely, 2^16194425866 is an apocalyptic number.

16194425866 is a deficient number, since it is larger than the sum of its proper divisors (8098492214).

16194425866 is a wasteful number, since it uses less digits than its factorization.

16194425866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426428.

The product of its digits is 2488320, while the sum is 52.

The spelling of 16194425866 in words is "sixteen billion, one hundred ninety-four million, four hundred twenty-five thousand, eight hundred sixty-six".