16439228866 has 8 divisors (see below), whose sum is σ = 24659740224. Its totient is φ = 8219315460.

The previous prime is 16439228857. The next prime is 16439228873. The reversal of 16439228866 is 66882293461.

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, 72910 + ... + 195433.

It is an arithmetic number, because the mean of its divisors is an integer number (3082467528).

Almost surely, 2^16439228866 is an apocalyptic number.

16439228866 is a deficient number, since it is larger than the sum of its proper divisors (8220511358).

16439228866 is a wasteful number, since it uses less digits than its factorization.

16439228866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298976.

The product of its digits is 5971968, while the sum is 55.

The spelling of 16439228866 in words is "sixteen billion, four hundred thirty-nine million, two hundred twenty-eight thousand, eight hundred sixty-six".