16448986874 has 8 divisors (see below), whose sum is σ = 24676187220. Its totient is φ = 8223591136.

The previous prime is 16448986867. The next prime is 16448986901. The reversal of 16448986874 is 47868984461.

It can be written as a sum of positive squares in 2 ways, for example, as 16152630649 + 296356225 = 127093^2 + 17215^2 .

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 16448986874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428129 + ... + 464964.

Almost surely, 2^16448986874 is an apocalyptic number.

16448986874 is a deficient number, since it is larger than the sum of its proper divisors (8227200346).

16448986874 is an equidigital number, since it uses as much as digits as its factorization.

16448986874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902304.

The product of its digits is 74317824, while the sum is 65.

The spelling of 16448986874 in words is "sixteen billion, four hundred forty-eight million, nine hundred eighty-six thousand, eight hundred seventy-four".