16478344786 has 8 divisors (see below), whose sum is σ = 24741776880. Its totient is φ = 8231085828.

The previous prime is 16478344759. The next prime is 16478344801. The reversal of 16478344786 is 68744387461.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16478344786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040736 + ... + 4044811.

It is an arithmetic number, because the mean of its divisors is an integer number (3092722110).

Almost surely, 2^16478344786 is an apocalyptic number.

16478344786 is a deficient number, since it is larger than the sum of its proper divisors (8263432094).

16478344786 is a wasteful number, since it uses less digits than its factorization.

16478344786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086568.

The product of its digits is 21676032, while the sum is 58.

The spelling of 16478344786 in words is "sixteen billion, four hundred seventy-eight million, three hundred forty-four thousand, seven hundred eighty-six".