16748686887 has 8 divisors (see below), whose sum is σ = 22460667504. Its totient is φ = 11101248768.

The previous prime is 16748686847. The next prime is 16748686901. The reversal of 16748686887 is 78868684761.

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

It is not a de Polignac number, because 16748686887 - 2¹⁸ = 16748424743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16748686847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16135018 + ... + 16136055.

It is an arithmetic number, because the mean of its divisors is an integer number (2807583438).

Almost surely, 2^16748686887 is an apocalyptic number.

16748686887 is a deficient number, since it is larger than the sum of its proper divisors (5711980617).

16748686887 is a wasteful number, since it uses less digits than its factorization.

16748686887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32271249.

The product of its digits is 173408256, while the sum is 69.

The spelling of 16748686887 in words is "sixteen billion, seven hundred forty-eight million, six hundred eighty-six thousand, eight hundred eighty-seven".