16788063617 has 8 divisors (see below), whose sum is σ = 18099848256. Its totient is φ = 15479192592.

The previous prime is 16788063599. The next prime is 16788063619. The reversal of 16788063617 is 71636088761.

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

It is a cyclic number.

It is not a de Polignac number, because 16788063617 - 2⁶ = 16788063553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16788063619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716423 + ... + 739484.

It is an arithmetic number, because the mean of its divisors is an integer number (2262481032).

Almost surely, 2^16788063617 is an apocalyptic number.

It is an amenable number.

16788063617 is a deficient number, since it is larger than the sum of its proper divisors (1311784639).

16788063617 is a wasteful number, since it uses less digits than its factorization.

16788063617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456807.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 16788063617 in words is "sixteen billion, seven hundred eighty-eight million, sixty-three thousand, six hundred seventeen".