16863110747 has 32 divisors (see below), whose sum is σ = 20725673472. Its totient is φ = 13391783424.

The previous prime is 16863110729. The next prime is 16863110773. The reversal of 16863110747 is 74701136861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16863110747 - 2¹⁰ = 16863109723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16863110698 and 16863110707.

It is not an unprimeable number, because it can be changed into a prime (16863110707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2891048 + ... + 2896874.

It is an arithmetic number, because the mean of its divisors is an integer number (647677296).

Almost surely, 2^16863110747 is an apocalyptic number.

16863110747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16863110747 is a deficient number, since it is larger than the sum of its proper divisors (3862562725).

16863110747 is a wasteful number, since it uses less digits than its factorization.

16863110747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 16863110747 in words is "sixteen billion, eight hundred sixty-three million, one hundred ten thousand, seven hundred forty-seven".