16887364738 has 8 divisors (see below), whose sum is σ = 26204531580. Its totient is φ = 8152520880.

The previous prime is 16887364721. The next prime is 16887364757. The reversal of 16887364738 is 83746378861.

It is a happy number.

16887364738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16405254889 + 482109849 = 128083^2 + 21957^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145580673 + ... + 145580788.

Almost surely, 2^16887364738 is an apocalyptic number.

16887364738 is a deficient number, since it is larger than the sum of its proper divisors (9317166842).

16887364738 is a wasteful number, since it uses less digits than its factorization.

16887364738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291161492.

The product of its digits is 32514048, while the sum is 61.

The spelling of 16887364738 in words is "sixteen billion, eight hundred eighty-seven million, three hundred sixty-four thousand, seven hundred thirty-eight".